제출 #581227

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
581227		MohamedFaresNebili	카니발 티켓 (IOI20_tickets)	C++14	11 / 100	2 ms	724 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
#include <ext/pb_ds/assoc_container.hpp>

        using namespace std;
        using namespace __gnu_pbds;

        using ll = long long;
        using pi = pair<ll, pair<ll, ll>>;
        using ii = pair<int, int>;

        #define pb push_back
        #define pp pop_back
        #define ff first
        #define ss second

        typedef tree<int, null_type, less<int>, rb_tree_tag,
            tree_order_statistics_node_update> indexed_set;

        ll find_maximum(int K, vector<vector<int>> A) {
            int N = A.size(), M = A[0].size();
            deque<pi> curr; ll res = 0;
            for(int l = 0; l < N; l++)
                curr.pb({A[l][0], {l, 0}}),
                curr.pb({A[l][M - 1], {l, M - 1}});
            sort(curr.begin(), curr.end());
            bool vis[N]; memset(vis, 0, sizeof vis);
            vector<vector<int>> S(N, vector<int> (M, -1));
            vector<ll> arr;
            while(arr.size() != N) {
              while(vis[curr.back().ss.ff])
                    curr.pop_back();
                arr.pb(curr.back().ff);
                vis[curr.back().ss.ff] = 1;
                S[curr.back().ss.ff][curr.back().ss.ss] = 0;
                curr.pop_back();
              
                while(vis[curr.front().ss.ff])
                    curr.pop_front();
                arr.pb(curr.front().ff);
                vis[curr.front().ss.ff] = 1;
                S[curr.front().ss.ff][curr.front().ss.ss] = 0;
                curr.pop_front();
            }
            sort(arr.begin(), arr.end());
            for(auto U : arr)
                res += abs(U - arr[N / 2]);
            allocate_tickets(S);
            return res;
        }

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'll find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:30:30: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |             while(arr.size() != N) {
      |                   ~~~~~~~~~~~^~~~

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