Submission #97506

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
97506	2019-02-16 13:17:22	easrui	Dangerous Skating (JOI16_skating)	C++14	100 / 100	632 ms	23660 KiB

skating

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#include <bits/stdc++.h>
#define va first
#define vb second
using namespace std;
const int MAX = 1005;
typedef pair<int,int> pii;
typedef pair<int,pii> ppi;
int R,C,sx,sy,ex,ey,cnt,dis[MAX][MAX],l[MAX][MAX],r[MAX][MAX],u[MAX][MAX],d[MAX][MAX];
bool init[MAX][MAX];
char c;
priority_queue<ppi> PQ;
int main()
{
    cin >> R >> C;
    for(int i=1; i<=R; i++){
        for(int j=1; j<=C; j++){
            cin >> c;
            if(c=='.') init[i][j] = 1;
            dis[i][j] = 1e6;
        }
    }
    cin >> sy >> sx >> ey >> ex;
    for(int i=1; i<=R; i++){
        for(int j=1; j<=C; j++){
            if(init[i][j]) l[i][j] = cnt;
            else cnt = j;
        }
        for(int j=C; j>=1; j--){
            if(init[i][j]) r[i][j] = cnt;
            else cnt = j;
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 65 / 65
• Subtask 3: 22 / 22