제출 #197784

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
1977842020-01-23 05:25:01quocnguyen1012다리 (APIO19_bridges)C++14
44 / 100
3046 ms20636 KiB
#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
using namespace std;
typedef long long ll;
const int maxn = 1e5 + 5, magic = 800;
struct State
{
int Time;
int *fi; int se;
State(int _Time, int* _fi, int _se):
Time(_Time), fi(_fi), se(_se) {};
};
struct pdsu
{
vector<int> par, sz;
vector<State> saved;
void init(int n)
{
par.assign(n + 5, 0); sz.assign(n + 5, 1);
for (int i = 0; i < n + 5; ++i){
par[i] = i;
}
 
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컴파일 시 표준 에러 (stderr) 메시지

bridges.cpp: In function 'int main()':
bridges.cpp:96:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.INP", "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
bridges.cpp:97:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.OUT", "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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