Submission #1052982

#	Time	Username	Problem	Language	Result	Execution time	Memory
1052982		mychecksedad	Distributing Candies (IOI21_candies)	C++17	3 / 100	3555 ms	2097152 KiB

candies

#include "candies.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long int
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define pii pair<int,int>
#define ff first
#define ss second
const int N = 3e5+100;

std::vector<int> distribute_candies(std::vector<int> cc, std::vector<int> l, std::vector<int> r, std::vector<int> v) {
  vector<ll> c(all(cc));
  int n = c.size();
  int q = l.size();
  std::vector<int> s(n);

  vector<vector<int>> Q(n);
  for(int i = 0; i < q; ++i){
    for(int j = l[i]; j <= r[i]; ++j){
      Q[j].pb(v[i]);
    }
  }
  for(int i = 0; i < n; ++i){
    if(Q[i].size() == 0) continue;
    ll sum = 0;
    int x = 0;
    for(int j = Q[i].size() - 1; j >= 0; --j){
      // cout << Q[i][j] << ' ';
      ll v = Q[i][j];
      if(v >= c[i]){
        x = j;
        break;
      }else if(v <= -c[i]){
        x = j;
        break;
      }
      if(sum + v <= -c[i]){
        x = j;
        break;
      }else if(sum + v >= c[i]){
        x = j;
        break;
      }else{
        sum += v;
      }
    }
    sum = 0;
    for(int j = x; j < Q[i].size(); ++j){
      sum += Q[i][j];
      sum = max(0ll, min(sum, c[i]));
    }
    s[i] = sum;
  }


  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:50:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for(int j = x; j < Q[i].size(); ++j){
      |                    ~~^~~~~~~~~~~~~

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