Submission #71474059

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Source Code Expand

/* Code By WCM */
/*
Date:
大致思路：
复杂度：
期望得分：
*/
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <ctime>
#include <iomanip>
#include <vector>
#include <queue>
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define fi first
#define se second
#define pb push_back
#define int long long

using namespace std;

inline int read();
void write(int);
void writeln(int);

signed main() {

//	freopen(".in", "r", stdin);
//	freopen(".out", "w", stdout);

	int n = read(), ans = 0;
	vector <int> a(n + 1), sum(n + 1, 0);
	for(int i = 1; i <= n; i++) a[i] = read(), sum[i] = sum[i - 1] + a[i];
	for(int l = 1; l <= n; l++)
		for(int r = l; r <= n; r++) {
			int S = sum[r] - sum[l - 1]; bool fl = 1;
			for(int i = l; i <= r; i++) if(S % a[i] == 0) { fl = 0; break; }
			if(fl) ans++;
		}
	printf("%lld\n", ans);
	
//	printf("\nThe time used: ");
//	printf("%.2lfs",(double)clock()/CLOCKS_PER_SEC);

	return 0;

}

inline int read() {
	int res = 0, f = 1;
	char ch = getchar();
	while(ch < '0' || ch > '9') f = (ch == '-' ? -1 : 1), ch = getchar();
	while(ch >= '0' && ch <= '9') res = (res << 1) + (res << 3) + (ch ^ 48), ch = getchar();
	return res * f;
}

void write(int x) {
	static int sta[35];
	int top = 0;
	do { sta[top++] = x % 10, x /= 10; } while(x);
	while(top) putchar(sta[--top] ^ 48);
}

void writeln(int x) {
	write(x);
	putchar('\n');
}

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