제출 #29347

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
29347	2017-07-19 03:24:23	tlwpdus	무제 (POI11_imp)	C++11	9 / 100	1539 ms	39560 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
int n, m;
int mat[3100][3100];
bool die[3100];
int main() {
    int i, j;
    scanf("%d%d",&n,&m);
    for (i=0;i<m;i++) {
    int a, b;
    scanf("%d%d",&a,&b); --a; --b;
    mat[a][b] = mat[b][a] = 1;
    }
    for (i=0;i<n;i++) {
    for (j=0;j<n;j++) {
      if (i==j) continue;
      if (die[i]||die[j]) continue;
      if (!mat[i][j]) die[i] = die[j] = 1;
    }
    }
    for (i=0;i<n;i++) {
    if (!die[i]) printf("%d ",i+1);
    }
    printf("\n");
    return 0;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

imp.cpp: In function 'int main()':
imp.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^
imp.cpp:15:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&a,&b); --a; --b;
                      ^

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