Submission #152023

#	Time	Username	Problem	Language	Result	Execution time	Memory
152023		EntityIT	Homecoming (BOI18_homecoming)	C++14	0 / 100	53 ms	16852 KiB

homecoming

#include<bits/stdc++.h>
#include "homecoming.h"

using namespace std;

using ll = long long;

ll solve(int n, int K, int *a, int *b) {
    ll ret = 0;
    vector<ll> prefB;
    for (int i = 0; i < (n << 1); ++i) prefB.push_back( (i ? prefB[i - 1] : 0) + (b[i % n]) );
    for (int i = 0; i < n; ++i) {
        ret += max( (ll)0, a[i] - prefB[i + K - 1] + (i ? prefB[i - 1] : 0) );
    }
    return ret;
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 18
• Subtask 3: 0 / 31
• Subtask 4: 0 / 38