Submission #29348

#	Time	Username	Problem	Language	Result	Execution time	Memory
29348		suhgyuho_william	Untitled (POI11_imp)	C++14	9 / 100	1629 ms	37224 KiB

Main

#include <bits/stdc++.h>
#include <unistd.h>

#define pii pair<int,int>
#define pll pair<lld,lld>
#define pb push_back
#define next nextt
#define left leftt
#define right rightt
#define lld long long
#define Inf 1000000000
#define Mod 1000000007
#define Linf 1000000000000000000LL
#define get gett

int N,M;
int a[3002][3002];
bool check[3002];

int main(){
	scanf("%d %d",&N,&M);
	for(int i=1; i<=M; i++){
		int x,y;
		scanf("%d %d",&x,&y);
		a[x][y] = a[y][x] = 1;
	}
	memset(check,1,sizeof(check));
	for(int i=1; i<=N; i++){
		if(!check[i]) continue;
		for(int j=1; j<=N; j++){
			if(!check[j]) continue;
			if(a[i][j] == 0 && i != j){
				check[i] = check[j] = false;
				break;
			}
		}
	}
	for(int i=1; i<=N; i++) if(check[i]) printf("%d ",i);

	return 0;
}

Compilation message (stderr)

imp.cpp: In function 'int main()':
imp.cpp:21:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&N,&M);
                      ^
imp.cpp:24:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&x,&y);
                       ^

• Subtask 1: 9 / 9
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 10