제출 #211237

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
211237		mr_stefan	Teams (CEOI11_tea)	C++14	0 / 100	713 ms	49504 KiB

tea

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

const int VAL=1000005;

int N, i, j, nr, M;
pair <int, int> elev[VAL];
vector <int> V[VAL];

bool cmp(pair <int, int> A, pair <int, int> B)
{
    return A.first>B.first;
}

int main()
{
    cin >> N;
    for (i=1; i<=N; i++)
    {
        cin >> elev[i].first;
        elev[i].second=i;
    }
    sort(elev+1, elev+N+1, cmp);
    for (i=1; i<=N; i++)
    {
        if (nr>0)
        {
            nr--;
            V[M].push_back(elev[i].second);
        }
        else
        {
            if (elev[i].first<=N-i+1)
            {
                M++;
                V[M].push_back(elev[i].second);
                nr=elev[i].first-1;
            }
            else
                V[M].push_back(elev[i].second);
        }
    }
    cout << M << '\n';
    for (i=1; i<=M; i++)
    {
        cout << V[i].size() << " ";
        for (j=0; j<V[i].size(); j++)
            cout << V[i][j] << " ";
        cout << '\n';
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

tea.cpp: In function 'int main()':
tea.cpp:50:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (j=0; j<V[i].size(); j++)
                   ~^~~~~~~~~~~~

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