Submission #309264

#	Time	Username	Problem	Language	Result	Execution time	Memory
309264		tjdgus4384	카니발 티켓 (IOI20_tickets)	C++14	11 / 100	47 ms	1792 KiB

tickets

#include<bits/stdc++.h>
#include "tickets.h"
using namespace std;

bool cmp(pair<deque<pair<int, int> >, int> a, pair<deque<pair<int, int> >, int> b){
    for(int i = 0;i < a.first.size();i++){
        if(a.first[i].first > b.first[i].first) return false;
        if(a.first[i].first < b.first[i].first) return true;
    }
    return true;
}

long long find_maximum(int k, vector<vector<int> > x){
    vector<pair<deque<pair<int, int> >, int> > v(x.size());
    for(int i = 0;i < x.size();i++){
        for(int j = 0;j < x[i].size();j++){
            v[i].first.push_back({x[i][j], j});
        }
        sort(v[i].first.begin(), v[i].first.end());
        v[i].second = i;
    }
    vector<vector<int> > s(x.size());
    for(int i = 0;i < s.size();i++) s[i].resize(x[0].size(), -1);
    long long ret = 0;
    for(int k1 = 0;k1 < k;k1++){
        sort(v.begin(), v.end(), cmp);
        for(int i = 0;i < x.size()/2;i++){
            s[v[i].second][v[i].first[0].second] = k1;
            ret -= v[i].first[0].first;
            v[i].first.pop_front();
        }
        for(int i = x.size()/2;i < x.size();i++){
            s[v[i].second][v[i].first.back().second] = k1;
            ret += v[i].first.back().first;
            v[i].first.pop_back();
        }
    }
    allocate_tickets(s);
    return ret;
}

Compilation message (stderr)

tickets.cpp: In function 'bool cmp(std::pair<std::deque<std::pair<int, int> >, int>, std::pair<std::deque<std::pair<int, int> >, int>)':
tickets.cpp:6:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for(int i = 0;i < a.first.size();i++){
      |                   ~~^~~~~~~~~~~~~~~~
tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:15:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for(int i = 0;i < x.size();i++){
      |                   ~~^~~~~~~~~~
tickets.cpp:16:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         for(int j = 0;j < x[i].size();j++){
      |                       ~~^~~~~~~~~~~~~
tickets.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i = 0;i < s.size();i++) s[i].resize(x[0].size(), -1);
      |                   ~~^~~~~~~~~~
tickets.cpp:27:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for(int i = 0;i < x.size()/2;i++){
      |                       ~~^~~~~~~~~~~~
tickets.cpp:32:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         for(int i = x.size()/2;i < x.size();i++){
      |                                ~~^~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10