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  1. #include<stdio.h>
  2. int mnw[7], mxw[7];
  3. int main() {
  4. 	int n, i, s = 0, x, ans = 0;
  5. 	scanf("%d", &n);
  6. 	for (i = 1; i <= n; i++) {
  7. 		scanf("%d", &x);
  8. 		s = (s + x) % 7;
  9. 		if (s != 0 && mnw[s] == 0)mnw[s] = i;
  10. 		mxw[s] = i;
  11. 	}
  12. 	for (i = 0; i < 7; i++)if (ans < mxw[i] - mnw[i])ans = mxw[i] - mnw[i];
  13. 	printf("%d", ans);
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 4176KB
comments (?)
stdin
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7
3
5
1
6
2
14
10
stdout
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5
https://ideone.com/KQWU8y
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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