Submission #175927

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
175927	2020-01-07 12:23:27	mcdx9524	Bigger segments (IZhO19_segments)	C++14	37 / 100	1551 ms	3064 KiB

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
int rand(int l, int r) {
    return uniform_int_distribution <int> (l, r) (rnd);
}
const int inf = 1e9 + 7;
void solve() {
    int n;
    cin >> n;
    vector <int> a(n + 1, 0);
    vector <ll> pref(n + 1, 0);
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        pref[i] = a[i] + pref[i - 1];
    }
    vector <pair <int, ll> > dp(n + 1, {0, inf});
    dp[0] = {0, 0};
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j < i; j++) {
            ll sum = pref[i] - pref[j];
            if (sum >= dp[j].second) {
                if (dp[j].first + 1 > dp[i].first) {
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27