Submission #1092452

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Source Code Expand

#include<bits/stdc++.h>
#define ll long long

const int N = 100010;

ll n, a[N], cnt[N], pre[N];

int main(){
	scanf("%I64d", &n);
	ll sum = 0, one = n * (n + 1) / 2;
	for (int i = 0; i < n; ++ i){
		scanf("%I64d", &a[i]);
		sum += a[i];
	}
	if (sum % one){
		return printf("NO\n"), 0;
	}
	ll times = sum / one;
	for (int i = n - 2; i >= 0; -- i){
		ll x = a[i] - (a[n - 1] - times * (n - 1 - i));
		if (x % n){
			return printf("NO\n"), 0;
		}
		cnt[i] = x / n - pre[i + 1];
		if (cnt[i] < 0){
			return printf("NO\n"), 0;
		}
		pre[i] = pre[i + 1] + cnt[i];
	}
	return printf("YES\n"), 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
  scanf("%I64d", &n);
                   ^
./Main.cpp:12:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
   scanf("%I64d", &a[i]);
                       ^
./Main.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%I64d", &n);
                    ^
./Main.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%I64d", &a[i]);
                        ^

Judge Result