Submission #835349

#	Time	Username	Problem	Language	Result	Execution time	Memory
835349		azatega	Distributing Candies (IOI21_candies)	C++17	11 / 100	1594 ms	12868 KiB

candies

#include "candies.h"
#include <vector>

using namespace std;


vector<int> distribute_candies(vector<int> c, vector<int> l,
                                    vector<int> r, vector<int> v) {
    int n = c.size();
    vector<int> s(n);

    if(n <= 2000){
        for(int i = 0; i < n; i++){
            for(int j = 0; j < v.size(); j++){
                if(i >= l[j] && i <= r[j]){
                    s[i] += v[j];
                    s[i] = max(s[i], 0);
                    s[i] = min(s[i], c[i]);
                }
            }
        }

    }else{
        vector<long long> ch(n+5);

        for(int j = 0; j < v.size(); j++){
            ch[l[j]] += v[j];
            ch[r[j] + 1] -= v[j];
        }

        long long curr = 0;
        for(int i = 0; i < n; i++){
            curr += ch[i];
            s[i] = min((long long)c[i], curr);
        }
    }

    return s;
}

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:14:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |             for(int j = 0; j < v.size(); j++){
      |                            ~~^~~~~~~~~~
candies.cpp:26:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         for(int j = 0; j < v.size(); j++){
      |                        ~~^~~~~~~~~~

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