Submission #674768

#	Time	Username	Problem	Language	Result	Execution time	Memory
674768		KING	Fancy Fence (CEOI20_fancyfence)	C++14	0 / 100	170 ms	320 KiB

fancyfence

#include<bits/stdc++.h>
#define NOT_STONKS ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)

using namespace std;
const int maxn = 2e5 + 10; //4e6 + 10; //3e5 + 10;
const int mod = 1e9 + 7; //998244353;
typedef long long ll;

int t, n, m, h[maxn], w[maxn];

int main() {
    NOT_STONKS;

    cin >> n;
    for (int i = 0; i < n; i++) cin >> h[i];
    for (int i = 0; i < n; i++) cin >> w[i];
    
    ll ans = 0;
    for (int i = 0; i < n; i++) for (int j = i; j < n; j++) {
        ll mn = mod;
        for (int k = i; k <= j; k++) mn = min(mn, 1ll * h[i]);
        ans += 1ll * mn * (mn + 1) / 2;
        ans %= mod;
    }
    cout << ans << endl;
    return 0;
}

• Subtask 1: 0 / 0
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 18
• Subtask 7: 0 / 27