Submission #1061337

#	Time	Username	Problem	Language	Result	Execution time	Memory
1061337		TheQuantiX	Distributing Candies (IOI21_candies)	C++17	11 / 100	343 ms	13800 KiB

candies

#include<bits/stdc++.h>

using namespace std;
using ll = long long;

ll n, m, q, k, x, y, a, b, c;

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
    n = c.size();
    q = v.size();
    vector<int> ans(n);
    if (n <= 2000) {
        for (int i = 0; i < q; i++) {
            for (int j = l[i]; j <= r[i]; j++) {
                ans[j] += v[i];
                ans[j] = max(0, ans[j]);
                ans[j] = min(c[j], ans[j]);
            }
        }
        return ans;
    } 
    if (*min_element(v.begin(), v.end()) >= 0) {
        vector<ll> ev(n + 1);
        for (int i = 0; i < q; i++) {
            ev[l[i]] += v[i];
            ev[r[i] + 1] -= v[i];
        }
        ll cnt = 0;
        for (int i = 0; i < n; i++) {
            cnt += ev[i];
            ans[i] = min((ll)c[i], cnt);
        }
        return ans;
    }
}

Compilation message (stderr)

candies.cpp: In function 'std::vector<int> distribute_candies(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
candies.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type]
   35 | }
      | ^

• Subtask 1: 3 / 3
• Subtask 2: 8 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33