제출 #364535

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
364535		mathking1021	Painting Walls (APIO20_paint)	C++17	0 / 100	1 ms	1516 KiB

paint

#include "paint.h"
#include <vector>
#include <queue>
#define PLL pair<ll, ll>
#define F first
#define S second

using namespace std;

typedef int ll;

ll n, m, k;
vector<vector<ll>> ve;
vector<ll> ve2[50005], c;
bool d[100005];
ll e[100005];
ll x[20005][2005];
priority_queue<PLL, vector<PLL>, greater<PLL> > pq;

int minimumInstructions(
    int N, int M, int K, vector<int> C,
    vector<int> A, vector<vector<int>> B)
{
    n = N;
    m = M;
    k = K;
    ve = B;
    c = C;
    for(ll i = 0; i < ve.size(); i++)
    {
        for(ll j = 0; j < ve[i].size(); j++)
        {
            ve2[ve[i][j]].push_back(i);
        }
    }
    for(ll i = 0; i < c.size(); i++)
    {
        for(ll j = 0; j < ve2[c[i]].size(); j++)
        {
            x[i][ve2[c[i]][j]] = 1;
            ll t = i - ve2[c[i]][j];
        }
    }
    for(ll i = 0; i < m; i++)
    {
        ll now = 0;
        for(ll j = 0; j < n; j++)
        {
            if(x[j][(i + j) % m]) now++;
            if(j >= m && x[j - m][(i + j) % m]) now--;
            if(now >= m)
            {
                d[j - m] = true;
            }
        }
    }
    if(!d[0]) return -1;
    pq.push(make_pair(1, 0));
    e[0] = 1;
    for(ll i = 1; i < n; i++)
    {
        while(pq.top().S < i - m) pq.pop();
        ll t1 = pq.top().S;
        ll t2 = pq.top().F;
        if(d[i - 1]) e[i] = t2 + 1, pq.push(make_pair(e[i], i));
        else if(i == n - m) return -1;
    }
    return e[n - m];
}

컴파일 시 표준 에러 (stderr) 메시지

paint.cpp: In function 'int minimumInstructions(int, int, int, std::vector<int>, std::vector<int>, std::vector<std::vector<int> >)':
paint.cpp:29:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(ll i = 0; i < ve.size(); i++)
      |                   ~~^~~~~~~~~~~
paint.cpp:31:25: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for(ll j = 0; j < ve[i].size(); j++)
      |                       ~~^~~~~~~~~~~~~~
paint.cpp:36:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(ll i = 0; i < c.size(); i++)
      |                   ~~^~~~~~~~~~
paint.cpp:38:25: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(ll j = 0; j < ve2[c[i]].size(); j++)
      |                       ~~^~~~~~~~~~~~~~~~~~
paint.cpp:41:16: warning: unused variable 't' [-Wunused-variable]
   41 |             ll t = i - ve2[c[i]][j];
      |                ^
paint.cpp:63:12: warning: unused variable 't1' [-Wunused-variable]
   63 |         ll t1 = pq.top().S;
      |            ^~

• Subtask 1: 0 / 12
• Subtask 2: 0 / 15
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 37