提出 #77908164

ソースコード 拡げる

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#include <stdio.h>
int main(void) {
  int N, i;
  int no = 0;
  if (scanf("%d", &N) != 1) return 1;
  for (i = 0; i < N; i++) {
    int X;
    if (scanf("%d", &X) != 1) return 1;
    no = no || X >= 0;
  }
  puts(no ? "No" : "Yes");
  return 0;
}
 
 
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#include <stdio.h>

int main(void) {
	int N, i;
	int no = 0;
	if (scanf("%d", &N) != 1) return 1;
	for (i = 0; i < N; i++) {
		int X;
		if (scanf("%d", &X) != 1) return 1;
		no = no || X >= 0;
	}
	puts(no ? "No" : "Yes");
	return 0;
}

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