Submission #436830

#	Time	Username	Problem	Language	Result	Execution time	Memory
436830		Belgutei	Vision Program (IOI19_vision)	C++17	0 / 100	3 ms	968 KiB

vision

#include "vision.h"
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define ff first
#define ss second
#define pb push_back
#define mk make_pair
vector<int> v;

void construct_network(int H, int W, int K) {
	freopen("01.in", "r", stdin);
	freopen("01.out", "w", stdout);
	v.clear();
	for(int i=0; i<H*W; i++){
		vector<int> tur;
		tur.clear();
		tur.pb(i);
		int x=add_not(i);
		if(x==0){
			v.pb(i);
		}
	}
	int a=v[0]%W;
	int b=v[0]%W;
	int c=v[1]%W;
	int d=v[2]%W;
	if(abs(a-c)+abs(b-d)==K){
		add_not(0);
	}
	else add_not(1);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:14:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  freopen("01.in", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
vision.cpp:15:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  freopen("01.out", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 0 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19