Submission #479976

# Submission time Handle Problem Language Result Execution time Memory
479976 2021-10-14T05:04:16 Z robell Cave (IOI13_cave) C++17
0 / 100
25 ms 460 KB
#pragma GCC optimize("O2")
#include <bits/stdc++.h>
#include "cave.h"
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag, tree_order_statistics_node_update> indexed_set;
typedef long long ll;
#define pb push_back
#define eb emplace_back
#define countbits __builtin_popcount
#define beg0 __builtin_clz
#define terminal0 __builtin_ctz
int mod=1e9+7;
void setIO(){
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
}
void setIO(string f){
	freopen((f+".in").c_str(),"r",stdin);
	freopen((f+".out").c_str(),"w",stdout);
	setIO();
}
void exploreCave(int N){
	int pos[N];
	memset(pos,0,sizeof(pos));
	int ans[N];
	for (int i=0;i<N;i++){
		pos[i]=1;
		for (int j=0;j<N;j++){
			if (j!=i){
				pos[j]=0;
			}
		}
		int door = tryCombination(pos);
		ans[i]=door;
	}
	int keys[N];
	int doors[N];
	for (int i=0;i<N;i++){
		keys[i]=i;
		doors[i]=ans[i];
	}
	answer(keys,doors);
}

Compilation message

cave.cpp: In function 'void setIO(std::string)':
cave.cpp:20:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  freopen((f+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cave.cpp:21:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |  freopen((f+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 332 KB Answer is wrong
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 460 KB Answer is wrong
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Answer is wrong
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Answer is wrong
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 332 KB Answer is wrong
2 Halted 0 ms 0 KB -