Submission #1052992

#	Time	Username	Problem	Language	Result	Execution time	Memory
1052992		mychecksedad	Distributing Candies (IOI21_candies)	C++17	0 / 100	2363 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] + sum;
      if(v >= c[i] || Q[i][j] >= c[i]){
        x = -1;
        int last = j;
        ll cur = 0;
        for(int l = j + 1; l < Q[i].size(); ++l){
          cur += Q[i][l];
          if(cur >= 0){
            last = l;
          }
        }
        ll sum = c[i];
        for(int l = last + 1; l < Q[i].size(); ++l){
          sum += Q[i][l];
        }
        // cout << "wtf" << sum << ' ';
        s[i] = sum;
        break;
      }else if(v <= -c[i] || Q[i][j] <= -c[i]){
        int last = j;
        ll cur = Q[i][j];
        for(int l = j + 1; l < Q[i].size(); ++l){
          cur += Q[i][l];
          if(cur <= 0){
            last = l;
          }
        }
        ll sum = 0;
        for(int l = last + 1; l < Q[i].size(); ++l){
          sum += Q[i][l];
        }
        s[i] = sum;
        x = -1;
        break;
      }
      sum = v;
    }
    if(x != -1){
      int j = 0;
      int last = j;
      ll cur = Q[i][j];
      for(int l = j + 1; l < Q[i].size(); ++l){
        cur += Q[i][l];
        if(cur <= 0){
          last = l;
        }
      }
      ll sum = 0;
      for(int l = last + 1; l < Q[i].size(); ++l){
        sum += Q[i][l];
      }
      s[i] = sum;
      x = -1;
    }
    // if(x==-1) continue;
    // 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:36:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for(int l = j + 1; l < Q[i].size(); ++l){
      |                            ~~^~~~~~~~~~~~~
candies.cpp:43:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         for(int l = last + 1; l < Q[i].size(); ++l){
      |                               ~~^~~~~~~~~~~~~
candies.cpp:52:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         for(int l = j + 1; l < Q[i].size(); ++l){
      |                            ~~^~~~~~~~~~~~~
candies.cpp:59:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |         for(int l = last + 1; l < Q[i].size(); ++l){
      |                               ~~^~~~~~~~~~~~~
candies.cpp:72:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |       for(int l = j + 1; l < Q[i].size(); ++l){
      |                          ~~^~~~~~~~~~~~~
candies.cpp:79:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |       for(int l = last + 1; l < Q[i].size(); ++l){
      |                             ~~^~~~~~~~~~~~~

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