:heavy_check_mark: verify/util/LC_many_aplusb.test.cpp

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Code

#define PROBLEM "https://judge.yosupo.jp/problem/many_aplusb"

#include "template/template.hpp"
#include "util/fastio.hpp"

FastIO::InStream is;
FastIO::OutStream os;

int main() {
  unsigned int t;
  is >> t;
  while (t--) {
    unsigned long long a, b;
    is >> a >> b;
    os << (a + b) << '\n';
  }
}
#line 1 "verify/util/LC_many_aplusb.test.cpp"
#define PROBLEM "https://judge.yosupo.jp/problem/many_aplusb"

#line 2 "template/template.hpp"

// repo: https://github.com/kumacs/library-cpp
// docs: https://kumacs.github.io/library-cpp

#include <bits/stdc++.h>
using namespace std;

#line 2 "template/macro.hpp"
#define rep(i, a, b) for (int i = (a); i < (int)(b); i++)
#define rrep(i, a, b) for (int i = (int)(b) - 1; i >= (a); i--)
#define ALL(v) (v).begin(), (v).end()
#define UNIQUE(v) sort(ALL(v)), (v).erase(unique(ALL(v)), (v).end())
#define SZ(v) (int)v.size()
#define MIN(v) *min_element(ALL(v))
#define MAX(v) *max_element(ALL(v))
#define LB(v, x) int(lower_bound(ALL(v), (x)) - (v).begin())
#define UB(v, x) int(upper_bound(ALL(v), (x)) - (v).begin())
#define YN(b) cout << ((b) ? "YES" : "NO") << "\n";
#define Yn(b) cout << ((b) ? "Yes" : "No") << "\n";
#define yn(b) cout << ((b) ? "yes" : "no") << "\n";
#line 10 "template/template.hpp"

#line 2 "template/util.hpp"
using uint = unsigned int;
using ll = long long int;
using ull = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;
template <class T>
using priority_queue_asc = priority_queue<T, vector<T>, greater<T>>;

template <class T, class S = T>
S SUM(const vector<T>& a) {
  return accumulate(ALL(a), S(0));
}
template <class T1, class T2>
inline bool chmin(T1& a, T2 b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
template <class T1, class T2>
inline bool chmax(T1& a, T2 b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
template <class T1, class T2>
inline bool chmin_opt(optional<T1>& a, T2 b) {
  if (!a || a > b) {
    a = b;
    return true;
  }
  return false;
}
template <class T1, class T2>
inline bool chmax_opt(optional<T1>& a, T2 b) {
  if (!a || a < b) {
    a = b;
    return true;
  }
  return false;
}

template <class T>
int popcnt(T x) {
  return __builtin_popcountll(x);
}
template <class T>
int topbit(T x) {
  return (x == 0 ? -1 : 63 - __builtin_clzll(x));
}
template <class T>
int lowbit(T x) {
  return (x == 0 ? -1 : __builtin_ctzll(x));
}
#line 12 "template/template.hpp"

#line 2 "template/inout.hpp"
struct Fast {
  Fast() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(15);
  }
} fast;

ostream& operator<<(ostream& os, __uint128_t x) {
  char buf[40];
  size_t k = 0;
  while (x > 0) buf[k++] = (char)(x % 10 + '0'), x /= 10;
  if (k == 0) buf[k++] = '0';
  while (k) os << buf[--k];
  return os;
}
ostream& operator<<(ostream& os, __int128_t x) {
  return x < 0 ? (os << '-' << (__uint128_t)(-x)) : (os << (__uint128_t)x);
}
template <class T, size_t N>
ostream& operator<<(ostream& os, const array<T, N>& a);
template <class T1, class T2>
istream& operator>>(istream& is, pair<T1, T2>& p) {
  return is >> p.first >> p.second;
}
template <class T1, class T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) {
  return os << p.first << " " << p.second;
}
template <class T>
istream& operator>>(istream& is, vector<T>& a) {
  for (auto& v : a) is >> v;
  return is;
}
template <class T>
ostream& operator<<(ostream& os, const vector<T>& a) {
  for (auto it = a.begin(); it != a.end();) {
    os << *it;
    if (++it != a.end()) os << " ";
  }
  return os;
}
template <class T, size_t N>
ostream& operator<<(ostream& os, const array<T, N>& a) {
  for (auto it = a.begin(); it != a.end();) {
    os << *it;
    if (++it != a.end()) os << " ";
  }
  return os;
}
template <class T>
ostream& operator<<(ostream& os, const set<T>& st) {
  os << "{";
  for (auto it = st.begin(); it != st.end();) {
    os << *it;
    if (++it != st.end()) os << ",";
  }
  os << "}";
  return os;
}
template <class T1, class T2>
ostream& operator<<(ostream& os, const map<T1, T2>& mp) {
  os << "{";
  for (auto it = mp.begin(); it != mp.end();) {
    os << it->first << ":" << it->second;
    if (++it != mp.end()) os << ",";
  }
  os << "}";
  return os;
}

void in() {}
template <typename T, class... U>
void in(T& t, U&... u) {
  cin >> t;
  in(u...);
}
template <class... T>
void in_zip(int n, T&... t) {
  assert(n >= 0 && ((size(t) >= static_cast<size_t>(n)) && ...));
  for (int i = 0; i < n; i++) in(t[i]...);
}
void out() { cout << "\n"; }
template <typename T, class... U, char sep = ' '>
void out(const T& t, const U&... u) {
  cout << t;
  if (sizeof...(u)) cout << sep;
  out(u...);
}
template <class T, class U>
void out_opt(const optional<T>& opt, const U& fallback, ostream& os = cout) {
  if (opt.has_value())
    os << opt.value();
  else
    os << fallback;
  os << "\n";
}
template <class T, class U>
void out_opt(const vector<optional<T>>& vec, const U& fallback, ostream& os = cout) {
  for (auto it = vec.begin(); it != vec.end();) {
    if ((*it).has_value())
      os << (*it).value();
    else
      os << fallback;
    if (++it != vec.end()) os << " ";
  }
  os << "\n";
}

namespace IO {
template <class T, class... U>
T read(U&&... u) {
  T t = T(forward<U>(u)...);
  in(t);
  return t;
}
namespace Graph {
vector<vector<int>> unweighted(int n, int m, bool directed = false, int offset = 1) {
  vector<vector<int>> g(n);
  for (int i = 0; i < m; i++) {
    int u, v;
    cin >> u >> v;
    u -= offset, v -= offset;
    g[u].push_back(v);
    if (!directed) g[v].push_back(u);
  }
  return g;
}
template <class T>
vector<vector<pair<int, T>>> weighted(int n, int m, bool directed = false, int offset = 1) {
  vector<vector<pair<int, T>>> g(n);
  for (int i = 0; i < m; i++) {
    int u, v;
    T w;
    cin >> u >> v >> w;
    u -= offset, v -= offset;
    g[u].push_back({v, w});
    if (!directed) g[v].push_back({u, w});
  }
  return g;
}
}  // namespace Graph
namespace Tree {
vector<vector<int>> unweighted(int n, bool directed = false, int offset = 1) {
  return Graph::unweighted(n, n - 1, directed, offset);
}
template <class T>
vector<vector<pair<int, T>>> weighted(int n, bool directed = false, int offset = 1) {
  return Graph::weighted<T>(n, n - 1, directed, offset);
}
vector<vector<int>> rooted(int n, bool to_root = true, bool to_leaf = true, int offset = 1) {
  vector<vector<int>> g(n);
  for (int i = 1; i < n; i++) {
    int p;
    cin >> p;
    p -= offset;
    if (to_root) g[i].push_back(p);
    if (to_leaf) g[p].push_back(i);
  }
  return g;
}
}  // namespace Tree
}  // namespace IO
#line 14 "template/template.hpp"

#line 2 "template/debug.hpp"
#ifdef LOCAL
#define debug 1
#define show(...) _show(0, #__VA_ARGS__, __VA_ARGS__)
#else
#define debug 0
#define show(...) true
#endif
template <class T>
void _show(int, T) {
  cerr << '\n';
}
template <class T1, class T2, class... T3>
void _show(int i, const T1& a, const T2& b, const T3&... c) {
  for (; a[i] != ',' && a[i] != '\0'; i++) cerr << a[i];
  cerr << ":" << b << " ";
  _show(i + 1, a, c...);
}
#line 2 "util/fastio.hpp"

namespace FastIO {
static constexpr unsigned int BUF_SIZE = 1 << 20;

struct InStream {
 private:
  using IS = InStream;
  inline static unsigned int l = 0, r = 0;
  inline static char buf[BUF_SIZE];
  inline void load() {
    memmove(buf, buf + l, r - l);
    r = r - l + fread(buf + r - l, 1, BUF_SIZE - r + l, stdin);
    l = 0;
    if (r < BUF_SIZE) buf[r++] = '\n';
  }
  static bool isSpace(char c) { return c == ' ' || ('\t' <= c && c <= '\r'); }

 public:
  char seekChar() {
    if (l >= r) load();
    return buf[l];
  }
  void skipSpace() {
    while (isSpace(seekChar())) l++;
  }
  template <class T>
  T readUInteger() {
    T x = 0;
    skipSpace();
    if (r - l < 100) load();
    while (true) {
      char c = buf[l];
      if ('9' < c || c < '0') break;
      x = x * 10 + (c - '0');
      l++;
    }
    return x;
  }
  template <class T>
  T readInteger() {
    T x = 0;
    skipSpace();
    if (r - l < 100) load();
    bool is_negative = seekChar() == '-';
    if (is_negative) {
      l++;
      while (true) {
        char c = buf[l];
        if ('9' < c || c < '0') break;
        x = x * 10 - (c - '0');
        l++;
      }
    } else {
      while (true) {
        char c = buf[l];
        if ('9' < c || c < '0') break;
        x = x * 10 + (c - '0');
        l++;
      }
    }
    return x;
  }
  char readChar() {
    skipSpace();
    char c = seekChar();
    l++;
    return c;
  }
  std::string readString() {
    std::string s;
    skipSpace();
    while (true) {
      char c = seekChar();
      if (isSpace(c) || c == '\0') break;
      s.push_back(c);
      l++;
    }
    return s;
  }
  IS& operator>>(unsigned int& x) { x = readUInteger<unsigned int>(); return *this; }
  IS& operator>>(int& x) { x = readInteger<int>(); return *this; }
  IS& operator>>(unsigned long long& x) { x = readUInteger<unsigned long long>(); return *this; }
  IS& operator>>(long long& x) { x = readInteger<long long>(); return *this; }
  IS& operator>>(char& c) { c = readChar(); return *this; }
  IS& operator>>(std::string& s) { s = readString(); return *this; }
};

struct OutputTable {
  char num[10000][4];
  constexpr OutputTable() : num() {
    for (int i = 0; i < 10000; i++) {
      num[i][0] = '0' + i / 1000 % 10;
      num[i][1] = '0' + i / 100 % 10;
      num[i][2] = '0' + i / 10 % 10;
      num[i][3] = '0' + i / 1 % 10;
    }
  }
} constexpr table;

struct OutStream {
 private:
  using OS = OutStream;
  inline static unsigned int p = 0;
  inline static char buf[BUF_SIZE];
  static constexpr uint32_t P10(unsigned int d) { return d ? P10(d - 1) * 10 : 1; }
  static constexpr uint64_t P10L(unsigned int d) { return d ? P10L(d - 1) * 10 : 1; }
  template <class T, class U> static void Split(T& x, U& y, U z) noexcept { x = y / z; y -= x * z; }
  void ensureOutput(unsigned int d) { if (p + d > BUF_SIZE) flush(); }
  void writeNum(uint32_t x) {
    memcpy(buf + p, table.num[x], 4);
    p += 4;
  }
  void writeNumHead(uint32_t x) {
    const char* s = table.num[x];
    if (x >= 1000) buf[p++] = s[0];
    if (x >= 100) buf[p++] = s[1];
    if (x >= 10) buf[p++] = s[2];
    buf[p++] = s[3];
  }
  void writeU32Unchecked(uint32_t x) {
    unsigned int y = 0;
    if (x >= P10(8)) {
      Split(y, x, P10(8)); writeNumHead(y);
      Split(y, x, P10(4)); writeNum(y);
      writeNum(x);
    } else if (x >= P10(4)) {
      Split(y, x, P10(4)); writeNumHead(y);
      writeNum(x);
    } else if (x > 0) {
      writeNumHead(x);
    } else {
      write('0');
    }
  }
  void writeU64Unchecked(uint64_t x) {
    unsigned int y = 0;
    if (x >= P10L(16)) {
      Split(y, x, P10L(16)); writeNumHead(y);
      Split(y, x, P10L(12)); writeNum(y);
      Split(y, x, P10L(8)); writeNum(y);
      Split(y, x, P10L(4)); writeNum(y);
      writeNum(x);
    } else if (x >= P10L(12)) {
      Split(y, x, P10L(12)); writeNumHead(y);
      Split(y, x, P10L(8)); writeNum(y);
      Split(y, x, P10L(4)); writeNum(y);
      writeNum(x);
    } else if (x >= P10L(8)) {
      Split(y, x, P10L(8)); writeNumHead(y);
      Split(y, x, P10L(4)); writeNum(y);
      writeNum(x);
    } else if (x >= P10L(4)) {
      Split(y, x, P10L(4)); writeNumHead(y);
      writeNum(x);
    } else if (x > 0) {
      writeNumHead(x);
    } else {
      write('0');
    }
  }

 public:
  ~OutStream(){ flush(); }
  void flush() {
    fwrite(buf, 1, p, stdout);
    p = 0;
  }
  void write(const char c) {
    if (p == BUF_SIZE) flush();
    buf[p++] = c;
  }
  void write(const char* s) { while (*s) write(*(s++)); }
  void write(const std::string& s) { for (char c : s) write(c); }
  void writeU32(uint32_t x) {
    ensureOutput(10);
    writeU32Unchecked(x);
  }
  void writeI32(int32_t x) {
    ensureOutput(11);
    if (x < 0) { write('-'); writeU32Unchecked(uint32_t(0) - static_cast<uint32_t>(x)); }
    else writeU32Unchecked((uint32_t)x);
  }
  void writeU64(uint64_t x) {
    ensureOutput(20);
    writeU64Unchecked(x);
  }
  void writeI64(int64_t x) {
    ensureOutput(21);
    if (x < 0) { write('-'); writeU64Unchecked(uint64_t(0) - static_cast<uint64_t>(x)); }
    else writeU64Unchecked((uint64_t)x);
  }
  OS& operator<<(unsigned int x) { writeU32(x); return *this; }
  OS& operator<<(int x) { writeI32(x); return *this; }
  OS& operator<<(unsigned long long x) { writeU64(x); return *this; }
  OS& operator<<(long long x) { writeI64(x); return *this; }
  OS& operator<<(const std::string& s) { write(s); return *this; }
  OS& operator<<(const char* s) { write(s); return *this; }
  OS& operator<<(char c) { write(c); return *this; }
};
};  // namespace FastIO
#line 5 "verify/util/LC_many_aplusb.test.cpp"

FastIO::InStream is;
FastIO::OutStream os;

int main() {
  unsigned int t;
  is >> t;
  while (t--) {
    unsigned long long a, b;
    is >> a >> b;
    os << (a + b) << '\n';
  }
}
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