Submission #21802204

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Source Code Expand

#include <stdio.h>

long long mod = 1000000007;
long long N, A[1 << 18], Q[1 << 18];
long long Answer = 1;

long long cmpfunc(const void *a, const void *b){
    return (*(long long*)a - *(long long*)b);
}

int main() {
	// Input, Sorting
	scanf("%lld", &N);
	for (int i = 0; i < N; i++) scanf("%lld", &A[i]);
	qsort(A, N, sizeof(long long), cmpfunc);
	Q[0] = A[0];
	for (int i = 1; i < N; i++) Q[i] = A[i] - A[i - 1];

	// Get Answer
	for (int i = 0; i < N; i++) {
		Answer *= (Q[i] + 1LL);
		Answer %= mod;
	}
	printf("%lld\n", Answer);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:15:2: warning: implicit declaration of function ‘qsort’ [-Wimplicit-function-declaration]
   15 |  qsort(A, N, sizeof(long long), cmpfunc);
      |  ^~~~~
./Main.c:13:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   13 |  scanf("%lld", &N);
      |  ^~~~~~~~~~~~~~~~~
./Main.c:14:30: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   14 |  for (int i = 0; i < N; i++) scanf("%lld", &A[i]);
      |                              ^~~~~~~~~~~~~~~~~~~~

Judge Result