Submission #796121

#	Time	Username	Problem	Language	Result	Execution time	Memory
796121		t6twotwo	Distributing Candies (IOI21_candies)	C++17	11 / 100	94 ms	8872 KiB

candies

#include "candies.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
vector<int> distribute_candies(vector<int> C, vector<int> L, vector<int> R, vector<int> V) {
    for (int &x : R) {
        x++;
    }
    int N = C.size(), Q = L.size();
    if (N <= 2000 && Q <= 2000) {
        vector<int> A(N);
        for (int i = 0; i < Q; i++) {
            for (int j = L[i]; j < R[i]; j++) {
                A[j] += V[i];
                A[j] = max(A[j], 0);
                A[j] = min(A[j], C[j]);
            }
        }
        return A;
    }
    vector<ll> s(N + 1);
    for (int i = 0; i < Q; i++) {
        s[L[i]] += V[i];
        s[R[i]] -= V[i];
    }
    vector<int> A(N);
    for (int i = 0; i < N; i++) {
        A[i] = min((ll)C[i], s[i]);
        s[i + 1] += s[i];
    }
    return A;
}

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