Submission #171774

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
171774	2019-12-30T11:05:55 Z	mosiashvililuka	Bomb (IZhO17_bomb)	C++14	24 / 100	53 ms	12824 KB

bomb

#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,dp[2509][2509],zx,xc,qw,we,k[2509][2509],pas,dd,mxa,mxb;
string s;
bool f[2509][2509];
int main(){
    ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
    cin>>a>>b;
    for(c=1; c<=a; c++){
        cin>>s;
        for(d=1; d<=b; d++){
            f[c][d]=s[d-1]-'0';
        }
    }
    mxb=mxa=a+b+2;
        for(c=1; c<=a; c++){
        	zx=0;
        	for(d=1; d<=b; d++){
        		if(f[c][d]==1){
        			zx++;
				}else{
				    if(zx!=0) mxa=min(zx,mxa);
					zx=0;
				}
			}
			if(zx!=0) mxa=min(zx,mxa);
		}
		for(d=1; d<=b; d++){
			xc=0;
			for(c=1; c<=a; c++){
				if(f[c][d]==1){
					xc++;
				}else{
				    if(xc!=0) mxb=min(mxb,xc);
					xc=0;
				}
			}
			if(xc!=0) mxb=min(mxb,xc);
		}
		cout<<mxa*mxb;
        return 0;
    for(c=1; c<=a; c++){
        for(d=1; d<=b; d++) dp[c][d]=dp[c-1][d]+dp[c][d-1]-dp[c-1][d-1]+f[c][d];
    }
    d=b;
    for(c=1; c<=a; c++){
        while(d>=1){
            bool bo=0;
            for(i=1; i<=a; i++) for(j=1; j<=b; j++) k[i][j]=0;
            for(i=c; i<=a; i++){
                for(j=d; j<=b; j++){
                    qw=i-c+1;we=j-d+1;
                    if(dp[i][j]-dp[i][we-1]-dp[qw-1][j]+dp[qw-1][we-1]==c*d){
                        k[qw][we]=1;
                    }
                }
            }
/*            if(c==2&&d==2){
                for(i=1; i<=a; i++){
                    for(j=1; j<=b; j++) cout<<k[i][j]<<" ";
                    cout<<endl;
                }
            }
            if(c==2&&d==2) cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl;*/
            for(i=1; i<=a; i++){
                for(j=1; j<=b; j++) k[i][j]=k[i-1][j]+k[i][j-1]-k[i-1][j-1]+k[i][j];
            }
/*            if(c==2&&d==2){
                for(i=1; i<=a; i++){
                    for(j=1; j<=b; j++) cout<<k[i][j]<<" ";
                    cout<<endl;
                }
            }*/
            for(i=1; i<=a; i++){
                if(bo==1) break;
                for(j=1; j<=b; j++){
                    if(f[i][j]==0) continue;
                    qw=i-c+1;we=j-d+1;
                    if(qw<=0) qw=1;
                    if(we<=0) we=1;
                    long long hj=0;
                    hj=k[i][j]-k[qw-1][j]-k[i][we-1]+k[qw-1][we-1];
                    if(hj==0){
                        bo=1;
                        break;
                    }
                }
            }
            if(bo==0){
//                cout<<c<<" "<<d<<" vict"<<endl;
                if(pas<c*d) pas=c*d;
                break;
            }
  //          cout<<c<<" "<<d<<" lose"<<endl;
            d--;
        }
    }
    cout<<pas;
    return 0;
}

Subtask #1

24.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	7 ms	6520 KB	Output is correct
4	Correct	7 ms	6520 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Incorrect	2 ms	376 KB	Output isn't correct
9	Incorrect	2 ms	432 KB	Output isn't correct
10	Incorrect	2 ms	376 KB	Output isn't correct
11	Incorrect	2 ms	376 KB	Output isn't correct
12	Incorrect	2 ms	376 KB	Output isn't correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Incorrect	2 ms	376 KB	Output isn't correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Incorrect	2 ms	504 KB	Output isn't correct
19	Incorrect	2 ms	632 KB	Output isn't correct
20	Incorrect	2 ms	632 KB	Output isn't correct
21	Incorrect	2 ms	504 KB	Output isn't correct
22	Incorrect	2 ms	632 KB	Output isn't correct
23	Incorrect	2 ms	632 KB	Output isn't correct
24	Incorrect	2 ms	632 KB	Output isn't correct
25	Incorrect	2 ms	632 KB	Output isn't correct
26	Correct	2 ms	636 KB	Output is correct
27	Correct	10 ms	1144 KB	Output is correct
28	Incorrect	3 ms	1144 KB	Output isn't correct
29	Incorrect	3 ms	1400 KB	Output isn't correct
30	Incorrect	4 ms	1528 KB	Output isn't correct
31	Incorrect	4 ms	1272 KB	Output isn't correct
32	Incorrect	4 ms	1528 KB	Output isn't correct
33	Incorrect	4 ms	1516 KB	Output isn't correct
34	Incorrect	3 ms	1400 KB	Output isn't correct
35	Incorrect	4 ms	1656 KB	Output isn't correct
36	Correct	4 ms	1656 KB	Output is correct
37	Incorrect	2 ms	376 KB	Output isn't correct
38	Correct	36 ms	12408 KB	Output is correct
39	Incorrect	2 ms	376 KB	Output isn't correct
40	Incorrect	9 ms	3192 KB	Output isn't correct
41	Incorrect	2 ms	376 KB	Output isn't correct
42	Incorrect	2 ms	632 KB	Output isn't correct
43	Correct	52 ms	12536 KB	Output is correct
44	Incorrect	4 ms	1656 KB	Output isn't correct
45	Incorrect	43 ms	11356 KB	Output isn't correct
46	Correct	45 ms	12652 KB	Output is correct
47	Incorrect	43 ms	12536 KB	Output isn't correct
48	Incorrect	38 ms	10488 KB	Output isn't correct
49	Correct	41 ms	12280 KB	Output is correct
50	Incorrect	45 ms	12664 KB	Output isn't correct
51	Incorrect	45 ms	12536 KB	Output isn't correct
52	Incorrect	43 ms	11640 KB	Output isn't correct
53	Incorrect	44 ms	12648 KB	Output isn't correct
54	Incorrect	45 ms	12408 KB	Output isn't correct
55	Incorrect	52 ms	12536 KB	Output isn't correct
56	Correct	42 ms	12068 KB	Output is correct
57	Incorrect	53 ms	12536 KB	Output isn't correct
58	Incorrect	44 ms	12664 KB	Output isn't correct
59	Incorrect	39 ms	12536 KB	Output isn't correct
60	Correct	41 ms	12536 KB	Output is correct
61	Correct	39 ms	12664 KB	Output is correct
62	Correct	41 ms	12664 KB	Output is correct
63	Correct	39 ms	12664 KB	Output is correct
64	Correct	50 ms	12688 KB	Output is correct
65	Incorrect	49 ms	12664 KB	Output isn't correct
66	Incorrect	41 ms	12152 KB	Output isn't correct
67	Incorrect	39 ms	12664 KB	Output isn't correct
68	Incorrect	40 ms	12680 KB	Output isn't correct
69	Incorrect	41 ms	12664 KB	Output isn't correct
70	Incorrect	29 ms	9208 KB	Output isn't correct
71	Incorrect	42 ms	12664 KB	Output isn't correct
72	Incorrect	41 ms	11896 KB	Output isn't correct
73	Incorrect	42 ms	12664 KB	Output isn't correct
74	Incorrect	41 ms	12536 KB	Output isn't correct
75	Incorrect	41 ms	12576 KB	Output isn't correct
76	Incorrect	43 ms	11128 KB	Output isn't correct
77	Incorrect	43 ms	12536 KB	Output isn't correct
78	Incorrect	42 ms	11256 KB	Output isn't correct
79	Incorrect	43 ms	12600 KB	Output isn't correct
80	Incorrect	46 ms	12692 KB	Output isn't correct
81	Incorrect	44 ms	12536 KB	Output isn't correct
82	Incorrect	42 ms	12536 KB	Output isn't correct
83	Incorrect	49 ms	12636 KB	Output isn't correct
84	Incorrect	44 ms	12664 KB	Output isn't correct
85	Incorrect	43 ms	12824 KB	Output isn't correct
86	Incorrect	50 ms	12664 KB	Output isn't correct
87	Incorrect	40 ms	12664 KB	Output isn't correct
88	Incorrect	41 ms	12536 KB	Output isn't correct
89	Incorrect	43 ms	12692 KB	Output isn't correct
90	Incorrect	25 ms	9208 KB	Output isn't correct
91	Incorrect	40 ms	12664 KB	Output isn't correct
92	Incorrect	41 ms	12664 KB	Output isn't correct
93	Incorrect	40 ms	12664 KB	Output isn't correct
94	Incorrect	38 ms	12792 KB	Output isn't correct
95	Incorrect	40 ms	12536 KB	Output isn't correct
96	Incorrect	43 ms	12664 KB	Output isn't correct
97	Incorrect	39 ms	12664 KB	Output isn't correct
98	Incorrect	41 ms	12564 KB	Output isn't correct
99	Incorrect	41 ms	12536 KB	Output isn't correct
100	Incorrect	41 ms	12696 KB	Output isn't correct