제출 #1219453

#제출 시각아이디문제언어결과실행 시간메모리
1219453sleepntsheepPortal (BOI24_portal)C11
1 / 100
0 ms328 KiB
#include <stdio.h> #include <stdlib.h> #define N 200000 int n, x[N], y[N]; int main() { puts("-1");return 0; scanf("%d", &n); if (n == 1) { puts("-1"); return 0; } for (int i = 0; i < n; ++i) scanf("%d%d", x + i, y + i); printf("%d\n", abs(x[0] - x[1]) + abs(y[0] - y[1])); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

Main.c: In function 'main':
Main.c:10:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%d", &n);
      |         ^~~~~~~~~~~~~~~
Main.c:16:17: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |                 scanf("%d%d", x + i, y + i);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
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