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답안 #72487

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
72487 2018-08-26T08:30:52 Z 호우주의보(#2154, leehosu01) 수중 미로 (FXCUP3_aqua) C++17
100 / 100
 153 ms 4216 KB 
//#pragma GCC optimize("-O3")
#include<bits/stdc++.h>
using namespace std;
int N,M,er,ec,MP[900][900];
struct A;
priority_queue<A,vector<A>,greater<A> >PQ;
struct A
{
    int CS,r,c;
    bool operator>(const A&Tt)const{return CS>Tt.CS;}
    void FF(int dr,int dc)const
    {
        int rr=r+dr,cc=c+dc,le=0,mini=CS+1;
        for(;0<=rr&&rr<N&&0<=cc&&cc<N&&MP[rr][cc]!=-1;rr+=dr,cc+=dc)mini=min(mini,MP[rr][cc]);
        if(mini<=CS)return;
        for(;0<=rr&&rr<N&&0<=cc&&cc<N&&MP[rr][cc]==-1;le++,rr+=dr,cc+=dc);
        for(le=CS+le*le;0<=rr&&rr<N&&0<=cc&&cc<N&&MP[rr][cc]!=-1;rr+=dr,cc+=dc)
            if(MP[rr][cc]>le)
            {
      //          printf("uped %d %d - > %d %d :: %d -> %d\n",r,c,rr,cc,MP[rr][cc],le);
                PQ.push({MP[rr][cc]=le,rr,cc});

            }
    }
};
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin>>N;
    string S;
    for(int i=0;i<N;i++)
    {
        cin>>S;
        for(int j=0;j<N;j++)
        {
            MP[i][j]=(S[j]=='W'?-1:1<<30);
            if(S[j]=='M')
                PQ.push({MP[i][j]=0,i,j});
            else if(S[j]=='H')
                er=i,ec=j;
        }
    }
    while(!PQ.empty())
    {
        A TT=PQ.top();PQ.pop();
        if(TT.r==er&&TT.c==ec){printf("%d",TT.CS);return 0;}
     //   printf("%d %d :: %d & %d\n",TT.r,TT.c,MP[TT.r][TT.c],TT.CS);
        if(TT.CS==MP[TT.r][TT.c])
        {
            TT.FF(1,0);
            TT.FF(-1,0);
            TT.FF(0,1);
            TT.FF(0,-1);
        }
    }
    printf("-1 ");
}

Subtask #1
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 520 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 852 KB Output is correct
6 Correct 3 ms 928 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 4 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct

Subtask #2
64.0 / 64.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 520 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 852 KB Output is correct
6 Correct 3 ms 928 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 4 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 13 ms 1956 KB Output is correct
12 Correct 15 ms 2668 KB Output is correct
13 Correct 113 ms 3628 KB Output is correct
14 Correct 9 ms 3628 KB Output is correct
15 Correct 6 ms 3628 KB Output is correct
16 Correct 69 ms 4216 KB Output is correct
17 Correct 153 ms 4216 KB Output is correct
18 Correct 29 ms 4216 KB Output is correct
19 Correct 51 ms 4216 KB Output is correct
20 Correct 11 ms 4216 KB Output is correct