oj.uz

답안 #960557

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
960557 2024-04-10T15:51:37 Z LmaoLmao Mecho (IOI09_mecho) C++14
0 / 100
 369 ms 15444 KB 
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
 
using ll = long long;
using ii = pair<int, int>;
 
const int N = 1e6+5;
const int INF = 1e9;
 
ll d[1000][1000],m[1000][1000],n,s;
char a[1000][1000];
ll dx[4]={1,0,0,-1};
ll dy[4]={0,1,-1,0};
ii pos,h;
 
bool bfs(int x) {
    queue<ii> q;
    q.push(pos);
    for(int i=0;i<n;i++) {
        for(int j=0;j<n;j++) {
            m[i][j]=0;
        }
    }
    while(!q.empty()) {
        ii u=q.front();
        q.pop();
        for(int i=0;i<4;i++) {
            ii v={u.fi+dx[i],u.se+dy[i]};
            if(v.fi<0 || v.fi>=n || v.se<0 || v.se>=n) continue;
            if(m[v.fi][v.se]==0 && a[v.fi][v.se]!='T' && 
            d[v.fi][v.se]-x>m[u.fi][u.se]+1 && a[v.fi][v.se]!='M') {
                m[v.fi][v.se]=m[u.fi][u.se]+1;
                q.push(v);
            }
        }
    }
    if(m[h.fi][h.se]>0) return 1; else return 0;
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    queue<ii> q;
    cin >> n >> s;
    for(int i=0;i<n;i++) {
        for(int j=0;j<n;j++) {
            cin >> a[i][j];
            if(a[i][j]=='H') {
                q.push({i,j});
            }
            if(a[i][j]=='M') pos={i,j};
            if(a[i][j]=='D') h={i,j};
        }
    }
    while(!q.empty()) {
        ii u=q.front();
        q.pop();
        for(int i=0;i<4;i++) {
            ii v={u.fi+dx[i],u.se+dy[i]};
            if(v.fi<0 || v.fi>=n || v.se<0 || v.se>=n) continue;
            if(d[v.fi][v.se]==0 && a[v.fi][v.se]!='T' && a[v.fi][v.se]!='H') {
                d[v.fi][v.se]=d[u.fi][u.se]+s;
                q.push(v);
            }
        }
    }
    ll l=0,r=10000000000,ans=-1;
    while(l<=r) {
        ll m=(l+r)/2;
        if(bfs(m)) {
            ans=m;
            l=m+1;
        }
        else {
            r=m-1;
        }
    }
    cout << ans/s;
    return 0;
}

Subtask #1
0.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Incorrect 1 ms 2396 KB Output isn't correct
3 Incorrect 0 ms 2396 KB Output isn't correct
4 Incorrect 1 ms 2392 KB Output isn't correct
5 Incorrect 1 ms 2396 KB Output isn't correct
6 Incorrect 1 ms 2396 KB Output isn't correct
7 Incorrect 206 ms 15208 KB Output isn't correct
8 Incorrect 1 ms 2392 KB Output isn't correct
9 Incorrect 1 ms 2396 KB Output isn't correct
10 Incorrect 1 ms 2396 KB Output isn't correct
11 Incorrect 1 ms 2396 KB Output isn't correct
12 Incorrect 1 ms 2652 KB Output isn't correct
13 Incorrect 1 ms 2652 KB Output isn't correct
14 Incorrect 2 ms 2652 KB Output isn't correct
15 Incorrect 1 ms 2396 KB Output isn't correct
16 Incorrect 1 ms 2396 KB Output isn't correct
17 Incorrect 1 ms 2396 KB Output isn't correct
18 Incorrect 1 ms 2396 KB Output isn't correct
19 Incorrect 1 ms 2652 KB Output isn't correct
20 Incorrect 1 ms 2652 KB Output isn't correct
21 Incorrect 1 ms 2652 KB Output isn't correct
22 Incorrect 1 ms 2648 KB Output isn't correct
23 Incorrect 1 ms 2648 KB Output isn't correct
24 Incorrect 1 ms 2652 KB Output isn't correct
25 Incorrect 1 ms 2652 KB Output isn't correct
26 Incorrect 2 ms 2652 KB Output isn't correct
27 Incorrect 1 ms 2652 KB Output isn't correct
28 Incorrect 1 ms 2904 KB Output isn't correct
29 Incorrect 1 ms 2652 KB Output isn't correct
30 Incorrect 1 ms 2652 KB Output isn't correct
31 Incorrect 1 ms 2908 KB Output isn't correct
32 Incorrect 1 ms 2904 KB Output isn't correct
33 Incorrect 15 ms 6492 KB Output isn't correct
34 Incorrect 9 ms 6748 KB Output isn't correct
35 Incorrect 37 ms 7004 KB Output isn't correct
36 Incorrect 17 ms 7000 KB Output isn't correct
37 Incorrect 11 ms 7260 KB Output isn't correct
38 Incorrect 61 ms 7588 KB Output isn't correct
39 Incorrect 20 ms 9308 KB Output isn't correct
40 Incorrect 14 ms 9792 KB Output isn't correct
41 Incorrect 66 ms 10076 KB Output isn't correct
42 Incorrect 26 ms 9564 KB Output isn't correct
43 Incorrect 16 ms 10076 KB Output isn't correct
44 Incorrect 89 ms 10696 KB Output isn't correct
45 Incorrect 32 ms 10048 KB Output isn't correct
46 Incorrect 20 ms 10584 KB Output isn't correct
47 Incorrect 93 ms 11100 KB Output isn't correct
48 Incorrect 36 ms 10332 KB Output isn't correct
49 Incorrect 22 ms 10844 KB Output isn't correct
50 Incorrect 125 ms 11356 KB Output isn't correct
51 Incorrect 46 ms 10588 KB Output isn't correct
52 Incorrect 27 ms 11096 KB Output isn't correct
53 Incorrect 160 ms 11868 KB Output isn't correct
54 Incorrect 57 ms 12892 KB Output isn't correct
55 Incorrect 29 ms 13656 KB Output isn't correct
56 Incorrect 174 ms 14172 KB Output isn't correct
57 Incorrect 62 ms 13300 KB Output isn't correct
58 Incorrect 38 ms 13916 KB Output isn't correct
59 Incorrect 209 ms 14708 KB Output isn't correct
60 Incorrect 63 ms 13588 KB Output isn't correct
61 Incorrect 45 ms 14168 KB Output isn't correct
62 Incorrect 235 ms 15096 KB Output isn't correct
63 Incorrect 369 ms 14928 KB Output isn't correct
64 Incorrect 328 ms 15100 KB Output isn't correct
65 Incorrect 291 ms 15096 KB Output isn't correct
66 Incorrect 262 ms 14936 KB Output isn't correct
67 Incorrect 328 ms 15100 KB Output isn't correct
68 Incorrect 262 ms 14940 KB Output isn't correct
69 Incorrect 191 ms 14940 KB Output isn't correct
70 Incorrect 244 ms 14928 KB Output isn't correct
71 Incorrect 231 ms 15128 KB Output isn't correct
72 Incorrect 147 ms 15124 KB Output isn't correct
73 Incorrect 202 ms 15192 KB Output isn't correct
74 Incorrect 140 ms 15372 KB Output isn't correct
75 Incorrect 165 ms 15368 KB Output isn't correct
76 Incorrect 140 ms 15372 KB Output isn't correct
77 Incorrect 174 ms 15204 KB Output isn't correct
78 Incorrect 203 ms 15332 KB Output isn't correct
79 Incorrect 137 ms 15336 KB Output isn't correct
80 Incorrect 151 ms 15336 KB Output isn't correct
81 Incorrect 169 ms 15340 KB Output isn't correct
82 Incorrect 143 ms 15252 KB Output isn't correct
83 Incorrect 270 ms 15300 KB Output isn't correct
84 Incorrect 184 ms 15296 KB Output isn't correct
85 Incorrect 168 ms 15192 KB Output isn't correct
86 Incorrect 237 ms 15296 KB Output isn't correct
87 Incorrect 182 ms 15296 KB Output isn't correct
88 Incorrect 256 ms 15240 KB Output isn't correct
89 Incorrect 216 ms 15196 KB Output isn't correct
90 Incorrect 229 ms 15244 KB Output isn't correct
91 Incorrect 199 ms 15244 KB Output isn't correct
92 Incorrect 201 ms 15444 KB Output isn't correct