제출 #1126751

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
11267512024-12-15 04:16:59Zero_OPPastiri (COI20_pastiri)C++20
100 / 100
665 ms63720 KiB
#include <bits/stdc++.h>
using namespace std;
#define rep(i, l, r) for(int i = (l); i < (r); ++i)
#define sz(v) (int)v.size()
#define dbg(x) "[" #x " = " << (x) << "]"
#define all(v) begin(v), end(v)
#define compact(v) v.erase(unique(all(v)), end(v))
#define file(name) if(fopen(name".inp", "r")){ freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
template<typename T>
bool minimize(T& a, const T& b){
if(a > b){
return a = b, true;
}
return false;
}
template<typename T>
bool maximize(T& a, const T& b){
if(a < b){
return a = b, true;
}
return false;
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
using ll = long long;
 
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컴파일 시 표준 에러 (stderr) 메시지

pastiri.cpp: In function 'int main()':
pastiri.cpp:10:55: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 | #define file(name) if(fopen(name".inp", "r")){ freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
pastiri.cpp:65:5: note: in expansion of macro 'file'
   65 |     file("task");
      |     ^~~~
pastiri.cpp:10:88: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 | #define file(name) if(fopen(name".inp", "r")){ freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                                                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
pastiri.cpp:65:5: note: in expansion of macro 'file'
   65 |     file("task");
      |     ^~~~
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