제출 #83375

#제출 시각아이디문제언어결과실행 시간메모리
83375tjdgus4384줄서기 (KOI17_line)C++14
100 / 100
217 ms106640 KiB
#include<cstdio> int b[100001], s[100001], idx[100001], chk[100001]; int main() { int n, m, x, y; scanf("%d %d", &n, &m); for(int i = 0;i < m;i++) { scanf("%d %d", &x, &y); b[y]++; s[x]++; } for(int i = 1;i <= n;i++) { int bb = n - i - s[i]; int bigger = b[i] + bb; idx[i] = n - bigger; if(chk[n - bigger]) { printf("-1"); return 0; } chk[idx[i]] = 1; } for(int i = 1;i <= n;i++) { printf("%d ", idx[i]); } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

line.cpp: In function 'int main()':
line.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
line.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~~
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