Submission #103683

# Submission time Handle Problem Language Result Execution time Memory
103683 2019-04-02T04:22:13 Z 1234 Mecho (IOI09_mecho) C++14
7 / 100
478 ms 66560 KB
#include <bits/stdc++.h>
using namespace std ;

bool b[805][805] , bm[805][805];  
string s[805] ; 
int fuck , X1 , Y1 , X2 , Y2 , n , ss , a[805][805] , H[805][805];
queue <pair <int , int > > q , qm; 

void good(int x , int y , int sss) {
	H[x][y]=sss ;  
	b[x][y]= 1 ;
	if(y-1>=0 && b[x][y-1]==0) q.push(make_pair(x , y-1)) ;  
	if(y+1 < n && b[x][y+1]==0) q.push(make_pair(x , y+1)) ;  
	if(x-1>=0 && b[x-1][y]==0) q.push(make_pair(x-1 , y)) ;  
	if(x+1 < n && b[x+1][y]==0) q.push(make_pair(x+1 , y)) ;  
}

bool pro(int mid) {
	int ll=0 ; 
	while (qm.empty()==0) {
		int siz=qm.size(); 
		int cnt=0 ; 
		while (siz--) {
			cnt++ ; 
			int x=qm.front().first ;  	
			int y=qm.front().second ;  	
			qm.pop() ;
			if(x==X2 && y==Y2) {
				fuck = cnt ; 
				break ; 
			} 
			bm[x][y] = 1 ; 
			if(y-1>=0 && bm[x][y-1]==0 &&  H[x][y-1] < (cnt/ss)+mid) qm.push(make_pair(x , y-1)) ;  
			if(y+1 < n && bm[x][y+1]==0 &&  H[x][y+1] < (cnt/ss)+mid) qm.push(make_pair(x , y+1)) ;  
			if(x-1>=0 && bm[x-1][y]==0 &&  H[x-1][y] < (cnt/ss)+mid) qm.push(make_pair(x-1 , y)) ;  
			if(x+1 < n && bm[x+1][y]==0 &&  H[x+1][y] < (cnt/ss)+mid) qm.push(make_pair(x+1 , y)) ;
		}
		if(fuck%ss==0 && fuck!=-1) {
			if(cnt/ss+mid > H[X2][Y2]) return 1 ;
			else return 0 ;  	
		}
		if(fuck%ss!=0 && fuck!=-1) {
			if(fuck/ss+1+mid > H[X2][Y2]) return 1 ;
			else return 0 ;  				
		}
	}
}

int main(){
	fuck = -1 ; 
	cin >> n >> ss ; 
	for(int i=0 ; i<n ; i++){
		cin >> s[i] ; 			
		for(int j=0 ; j<n ; j++){
			if(s[i][j]=='T') {
				b[i][j]=1 ; 
				bm[i][j]=1 ; 
			}
			if(s[i][j]=='H') {
				q.push(make_pair(i , j)) ; 
				b[i][j]=1 ; 
				bm[i][j] = 1 ; 
			}
			if(s[i][j]=='M'){
				X2=i ; 
				Y2=j ; 
			}
			if(s[i][j]=='D'){
				X1=i ; 
				Y1=j ;
				qm.push(make_pair(X1 , Y1)) ; 
			}
		}
	}	
	int cnt = 0 ; 
	while (q.empty()==0) {
		int siz=q.size() ;
		while (siz--){
			int x=q.front().first ; 
			int y=q.front().second ;
			q.pop() ; 
			good (x , y , cnt) ;
		} 
		cnt++ ;  
	}
	
//	for(int i=0 ; i<n ;i++){
//		for(int j=0 ; j<n ; j++){
//			printf("%3d",H[i][j]) ;  
//		}
//		cout << endl ; 
//	}
//	
	int m1=0 , m2=H[X2][Y2] ;  
	while (m1 != m2) {
		int mid=(m1+m2+1)/2 ; 
		if(1 == pro(mid) ) {
			m1=mid ; 
		}	
		else {
			m2=mid-1 ; 
		}
	}
	cout << m2 << endl ; 
}

Compilation message

mecho.cpp: In function 'bool pro(int)':
mecho.cpp:19:6: warning: unused variable 'll' [-Wunused-variable]
  int ll=0 ; 
      ^~
mecho.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Incorrect 3 ms 384 KB Output isn't correct
3 Correct 2 ms 384 KB Output is correct
4 Incorrect 2 ms 384 KB Output isn't correct
5 Correct 2 ms 384 KB Output is correct
6 Incorrect 2 ms 384 KB Output isn't correct
7 Runtime error 276 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Incorrect 3 ms 384 KB Output isn't correct
9 Incorrect 3 ms 512 KB Output isn't correct
10 Incorrect 3 ms 384 KB Output isn't correct
11 Incorrect 2 ms 384 KB Output isn't correct
12 Incorrect 3 ms 640 KB Output isn't correct
13 Correct 13 ms 1024 KB Output is correct
14 Runtime error 453 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
15 Incorrect 3 ms 384 KB Output isn't correct
16 Incorrect 2 ms 512 KB Output isn't correct
17 Incorrect 2 ms 512 KB Output isn't correct
18 Incorrect 0 ms 512 KB Output isn't correct
19 Incorrect 3 ms 512 KB Output isn't correct
20 Incorrect 2 ms 512 KB Output isn't correct
21 Incorrect 2 ms 512 KB Output isn't correct
22 Incorrect 2 ms 512 KB Output isn't correct
23 Incorrect 2 ms 640 KB Output isn't correct
24 Incorrect 2 ms 640 KB Output isn't correct
25 Incorrect 3 ms 768 KB Output isn't correct
26 Incorrect 2 ms 640 KB Output isn't correct
27 Incorrect 3 ms 640 KB Output isn't correct
28 Incorrect 3 ms 640 KB Output isn't correct
29 Incorrect 2 ms 768 KB Output isn't correct
30 Incorrect 2 ms 640 KB Output isn't correct
31 Incorrect 3 ms 768 KB Output isn't correct
32 Incorrect 3 ms 768 KB Output isn't correct
33 Incorrect 10 ms 2176 KB Output isn't correct
34 Incorrect 13 ms 2276 KB Output isn't correct
35 Runtime error 262 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
36 Incorrect 16 ms 2432 KB Output isn't correct
37 Incorrect 11 ms 2532 KB Output isn't correct
38 Runtime error 287 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
39 Incorrect 18 ms 2680 KB Output isn't correct
40 Incorrect 15 ms 2944 KB Output isn't correct
41 Runtime error 251 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
42 Incorrect 17 ms 3328 KB Output isn't correct
43 Incorrect 21 ms 3584 KB Output isn't correct
44 Runtime error 271 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
45 Incorrect 18 ms 3456 KB Output isn't correct
46 Incorrect 20 ms 3712 KB Output isn't correct
47 Runtime error 270 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
48 Incorrect 24 ms 3812 KB Output isn't correct
49 Incorrect 21 ms 4096 KB Output isn't correct
50 Runtime error 261 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
51 Incorrect 25 ms 4088 KB Output isn't correct
52 Incorrect 27 ms 4472 KB Output isn't correct
53 Runtime error 271 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
54 Incorrect 27 ms 4344 KB Output isn't correct
55 Incorrect 23 ms 4728 KB Output isn't correct
56 Runtime error 278 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
57 Incorrect 29 ms 4600 KB Output isn't correct
58 Incorrect 41 ms 5240 KB Output isn't correct
59 Runtime error 273 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
60 Incorrect 28 ms 4924 KB Output isn't correct
61 Incorrect 29 ms 5496 KB Output isn't correct
62 Runtime error 281 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
63 Correct 47 ms 4984 KB Output is correct
64 Incorrect 40 ms 5624 KB Output isn't correct
65 Incorrect 42 ms 4984 KB Output isn't correct
66 Incorrect 46 ms 4852 KB Output isn't correct
67 Incorrect 42 ms 4984 KB Output isn't correct
68 Correct 54 ms 5016 KB Output is correct
69 Incorrect 61 ms 4924 KB Output isn't correct
70 Incorrect 41 ms 4984 KB Output isn't correct
71 Incorrect 41 ms 4984 KB Output isn't correct
72 Incorrect 56 ms 4984 KB Output isn't correct
73 Runtime error 417 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
74 Runtime error 412 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
75 Runtime error 436 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
76 Runtime error 478 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
77 Runtime error 444 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
78 Runtime error 401 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
79 Runtime error 385 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
80 Runtime error 358 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
81 Runtime error 414 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
82 Runtime error 364 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
83 Runtime error 346 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
84 Runtime error 380 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
85 Runtime error 333 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
86 Runtime error 373 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
87 Runtime error 341 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
88 Runtime error 310 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
89 Runtime error 334 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
90 Runtime error 320 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
91 Runtime error 309 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
92 Runtime error 322 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)