답안 #168767

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
168767 2019-12-16T04:56:39 Z NHDanDz K개의 묶음 (IZhO14_blocks) C++14
컴파일 오류
0 ms 0 KB
/// NHDanDz
#include <bits/stdc++.h>
#define nmax 100005
#define F first
#define S second
#define PB push_back
#define PF push_front
#define ll long long
//#define int ll
#define RyoLoveHentai "blocks"
#define pii pair<int,int>
#define reset(a) memset(a,0,sizeof(a))
using namespace std;
int n , k , a[nmax] , d[105][nmax];
int main()
{
    cin >> n >> k;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i];
    }
    memset(d, 0x3f, sizeof d);
    d[1][0] = 0;
    for(int i = 1; i <= n ; i++)
        d[1][i] = max(d[1][i - 1] , a[i]);
    for(int i = 2; i <= k; i++)
    {
        stack <pii> S;
        for(int j = i; j <= n; j++)
        {
            int MINF = d[i - 1][j - 1];
            //cout << MINF << " ";
            while(!S.empty() && a[S.top().S] <= a[j])
            {
                MINF = min(MINF , S.top().F);
                S.pop();
            }
            d[i][j] = min(d[i][S.empty() ? 0 : S.top().second] , MINF + a[j]);
            //cout << (S.size() ? S.top().S : 0) << " ";
            S.push(make_pair(minF, j));
        }
        //cout << endl;
    }
    cout << d[k][n];
    return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:40:30: error: 'minF' was not declared in this scope
             S.push(make_pair(minF, j));
                              ^~~~
blocks.cpp:40:30: note: suggested alternative: 'main'
             S.push(make_pair(minF, j));
                              ^~~~
                              main