제출 #32274

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
32274	2017-10-06 05:07:49	cscandkswon	Prosjecni (COCI16_prosjecni)	C++14	120 / 120	0 ms	1152 KiB

prosjecni

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#include <cstdio>
int N, A[101][101], K;
int main() {
  int i, j, s;
  scanf("%d", &N);
  if (N == 1) {
    puts("1");
    return 0;
  }
  else if (N == 2) {
    puts("-1");
    return 0;
  }
  K = N*(N - 1) / 2;
  for (i = 0; i < N-1; i++) {
    for (j = 0; j < N - 1; j++) A[i][j] = K*i + j + 1;
    A[i][N - 1] = K*(i + 1);
  }
  for (i = 0; i < N; i++) {
    for (j = 0, s = 0; j < N - 1; j++) s += A[j][i];
    A[N - 1][i] = A[N - 2][i] * N - s;
  }
  for (i = 0; i < N; i++) {
    for (j = 0; j < N; j++) printf("%d ", A[i][j]);
    puts("");
  }
  return 0;
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

prosjecni.cpp: In function 'int main()':
prosjecni.cpp:7:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^

• Subtask 1: 120 / 120