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Barrett Ruth 2025-12-13 18:27:59 -06:00
parent e371dd60e7
commit 5dac8c409f
284 changed files with 1076 additions and 0 deletions

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codeforces/544/a.cc Normal file
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#include <bits/stdc++.h> // {{{
#include <version>
#ifdef __cpp_lib_ranges_enumerate
#include <ranges>
namespace rv = std::views;
namespace rs = std::ranges;
#endif
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
using i16 = int16_t;
using u16 = uint16_t;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
using f64 = double;
using f128 = long double;
#if __cplusplus >= 202002L
template <typename T>
constexpr T MIN = std::numeric_limits<T>::min();
template <typename T>
constexpr T MAX = std::numeric_limits<T>::max();
#endif
#ifdef LOCAL
#define db(...) std::print(__VA_ARGS__)
#define dbln(...) std::println(__VA_ARGS__)
#else
#define db(...)
#define dbln(...)
#endif
// }}}
void solve() {
u32 m1, h1, m2, h2;
char colon;
cin >> h1 >> colon >> m1 >> h2 >> colon >> m2;
i32 diff = (h2 - h1) * 60 + (m2 - m1);
i32 half = diff / 2;
u32 base = h1 * 60 + m1 + half;
std::cout << std::format("{:02}:{:02}\n", base / 60, base % 60);
}
int main() { // {{{
std::cin.exceptions(std::cin.failbit);
#ifdef LOCAL
std::cerr.rdbuf(std::cout.rdbuf());
std::cout.setf(std::ios::unitbuf);
std::cerr.setf(std::ios::unitbuf);
#else
std::cin.tie(nullptr)->sync_with_stdio(false);
#endif
u32 tc = 1;
// std::cin >> tc;
for (u32 t = 0; t < tc; ++t) {
solve();
}
return 0;
}
// }}}

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1337 1337 1337 1337 1337 1337 1337 1337 1337 1337

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1 1000 10000 10 100 1000000000

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0 0 0 0
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1 2 -1
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36 4 1 25 9 16

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1 10 100 1000

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5 5
1 2
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3 5
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1 5

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YES
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1 2
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YES
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1 3
4 1

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1 2
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NO

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