Submission #1091339

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091339		Trisanu_Das	Solar Storm (NOI20_solarstorm)	C++17	0 / 100	136 ms	13660 KiB

SolarStorm

#include<bits/stdc++.h> 
using namespace std;
 
signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr); 
    int n, s, k; cin >> n >> s >> k;
    int d[n - 1], v[n]; 
    for(int i = 0; i < n - 1; i++) cin >> d[i];
    for(int i = 0; i < n; i++) cin >> v[i];
    int x[n + 1], pref[n + 1]; x[1] = 0; pref[0] = 0;
    for(int i = 2; i <= n; i++) x[i] = x[i - 1] + d[i - 1];
    for(int i = 1; i <= n; i++) pref[i] = pref[i - 1] + v[i];
    int ans_s = 0, ans_i = 0;
    for(int i = 1; i <= n; i++){
        int l = lower_bound(x + 1, x + n + 1, x[i] - k) - x - 1,
            r = upper_bound(x + 1, x + n + 1, x[i] + k) - x - 1;
        if(pref[r] - pref[l] > ans_s){
            ans_s = pref[r] - pref[l];
            ans_i = i;
        }
    }
    cout << 1 << '\n' << ans_i << '\n';
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 7
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 18
• Subtask 6: 0 / 16
• Subtask 7: 0 / 30