Submission #915532

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
915532	2024-01-24T06:30:24 Z	vjudge1	Bomb (IZhO17_bomb)	C++17	29 / 100	1000 ms	51196 KB

bomb

/*#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")*/
#include <bits/stdc++.h>
#include <iomanip>
#define ll long long
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define str string
#define pii pair<int,int>
#define sz(x) x.size()
#define all(x) x.begin(), x.end()
#define vi vector<int>
#define mii map<int,int>
#define mll map<ll,ll>
#define yes cout<<"YES\n";
#define no cout<<"NO\n";
#define yess cout<<"Yes\n";
#define noo cout<<"No\n";
using namespace std;

int pp[101][101];
int u[101][101];

void solve(){
    int n,m;
    cin>>n>>m;
    if(n==1){
        str s;
        cin>>s;
        vector<int >v;
        int k=0;
        for(int i=0;i<m;i++){
            if(s[i]=='1')k++;
            else{
                if(k>0){
                    v.pb(k);
                    k=0;
                }
            }
        }
        if(k>0){
            v.pb(k);
        }
        int ans=1;
        if(v.size()==0){
            cout<<0;
            return;
        }
        for(int i=2;i<=m;i++){
            k=1;
            for(int j=0;j<(int)v.size();j++){
                if(v[j]<i){
                    k=0;
                    break;
                }
            }
            if(k==1){
                ans=i;
            }
        }
        cout<<ans;
    }
    else if(m==1){
        char s;
        vector<int >v;
        int k=0;
        for(int i=0;i<n;i++){
            cin>>s;
            if(s=='1')k++;
            else{
                if(k>0){
                    v.pb(k);
                    k=0;
                }
            }
        }
        if(k>0){
            v.pb(k);
        }
        int ans=1;
        if(v.size()==0){
            cout<<0;
            return;
        }
        for(int i=2;i<=n;i++){
            k=1;
            for(int j=0;j<(int)v.size();j++){
                if(v[j]<i){
                    k=0;
                    break;
                }
            }
            if(k==1){
                ans=i;
            }
        }
        cout<<ans;
    }
    else{
        str s[n+3];
        int a[n+3][m+3];
        int o=0;
        for(int i=1;i<=n;i++){
            cin>>s[i];
            for(int j=0;j<m;j++){
                a[i][j+1]=s[i][j]-'0';
                o+=(a[i][j]==1);
                pp[i][j+1]=a[i][j+1]+pp[i][j]+pp[i-1][j+1]-pp[i-1][j];
            }
        }
        if(o==0){
            cout<<0;
            return;
        }
        int ans=0;
        for(int i=1;i<=n;i++){
            for(int j=1;j<=m;j++){
                if(i*j<=ans){
                    continue;
                }
                for(int i1=1;i1<=n;i1++){
                    for(int j1=1;j1<=m;j1++){
                        u[i1][j1]=0;
                    }
                }
                for(int i1=1;i1<=n;i1++){
                    for(int j1=1;j1<=m;j1++){
                        if(i1+i-1>n || j1+j-1>m)continue;
                        if(pp[i1+i-1][j1+j-1]+pp[i1-1][j1-1]-pp[i1+i-1][j1-1]-pp[i1-1][j1+j-1]==i*j){
                            for(int i2=i1;i2<=i1+i-1;i2++){
                                for(int j2=j1;j2<=j1+j-1;j2++){
                                    u[i2][j2]=1;
                                }
                            }
                        }
                    }
                }
                int k=1;
                for(int i1=1;i1<=n;i1++){
                    for(int j1=1;j1<=m;j1++){
                        if(u[i1][j1]!=a[i1][j1]){
                            k=0;
                            break;
                        }
                    }
                }
                if(k==1){
                    /*cout<<i<<" "<<j<<"\n";
                    for(int i1=1;i1<=n;i1++){
                        for(int j1=1;j1<=m;j1++){
                            cout<<u[i1][j1];
                        }
                        cout<<"\n";
                    }//*/
                    ans=max(ans,i*j);
                }
            }
        }
        cout<<ans;
    }
}

signed main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	//srand( time(0));
	//rand()
	//freopen("sum.in", "r", stdin);
	//freopen("sum.out", "w", stdout);
    int tests=1;
    //cin>>tests;
    for(int i=1;i<=tests;i++){
		//cout<<"TEST CASE : "<<i<<"\n";
		solve();
	}
}

Subtask #1

29.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	38 ms	348 KB	Output is correct
18	Correct	31 ms	344 KB	Output is correct
19	Correct	87 ms	552 KB	Output is correct
20	Correct	95 ms	556 KB	Output is correct
21	Correct	36 ms	348 KB	Output is correct
22	Correct	80 ms	348 KB	Output is correct
23	Correct	157 ms	564 KB	Output is correct
24	Correct	58 ms	344 KB	Output is correct
25	Correct	215 ms	600 KB	Output is correct
26	Execution timed out	1068 ms	348 KB	Time limit exceeded
27	Runtime error	1 ms	1372 KB	Execution killed with signal 11
28	Runtime error	2 ms	1628 KB	Execution killed with signal 11
29	Runtime error	2 ms	1628 KB	Execution killed with signal 11
30	Runtime error	2 ms	2140 KB	Execution killed with signal 11
31	Runtime error	2 ms	1884 KB	Execution killed with signal 11
32	Runtime error	2 ms	1884 KB	Execution killed with signal 11
33	Runtime error	2 ms	2396 KB	Execution killed with signal 11
34	Runtime error	1 ms	1372 KB	Execution killed with signal 11
35	Runtime error	2 ms	2396 KB	Execution killed with signal 11
36	Runtime error	2 ms	2424 KB	Execution killed with signal 11
37	Correct	1 ms	348 KB	Output is correct
38	Runtime error	34 ms	50824 KB	Execution killed with signal 11
39	Correct	1 ms	348 KB	Output is correct
40	Runtime error	5 ms	7004 KB	Execution killed with signal 11
41	Correct	1 ms	348 KB	Output is correct
42	Correct	565 ms	564 KB	Output is correct
43	Runtime error	34 ms	50824 KB	Execution killed with signal 11
44	Runtime error	2 ms	2396 KB	Execution killed with signal 11
45	Runtime error	39 ms	50784 KB	Execution killed with signal 11
46	Runtime error	34 ms	50776 KB	Execution killed with signal 11
47	Runtime error	39 ms	50768 KB	Execution killed with signal 11
48	Runtime error	37 ms	50848 KB	Execution killed with signal 11
49	Runtime error	34 ms	50780 KB	Execution killed with signal 11
50	Runtime error	35 ms	50772 KB	Execution killed with signal 11
51	Runtime error	35 ms	50976 KB	Execution killed with signal 11
52	Runtime error	36 ms	50776 KB	Execution killed with signal 11
53	Runtime error	40 ms	50772 KB	Execution killed with signal 11
54	Runtime error	34 ms	50928 KB	Execution killed with signal 11
55	Runtime error	35 ms	50772 KB	Execution killed with signal 11
56	Runtime error	34 ms	50776 KB	Execution killed with signal 11
57	Runtime error	34 ms	50784 KB	Execution killed with signal 11
58	Runtime error	35 ms	51024 KB	Execution killed with signal 11
59	Runtime error	35 ms	50832 KB	Execution killed with signal 11
60	Runtime error	35 ms	50768 KB	Execution killed with signal 11
61	Runtime error	33 ms	50768 KB	Execution killed with signal 11
62	Runtime error	40 ms	50872 KB	Execution killed with signal 11
63	Runtime error	35 ms	50768 KB	Execution killed with signal 11
64	Runtime error	40 ms	50876 KB	Execution killed with signal 11
65	Runtime error	33 ms	50780 KB	Execution killed with signal 11
66	Runtime error	34 ms	50768 KB	Execution killed with signal 11
67	Runtime error	35 ms	50792 KB	Execution killed with signal 11
68	Runtime error	33 ms	50880 KB	Execution killed with signal 11
69	Runtime error	35 ms	50784 KB	Execution killed with signal 11
70	Runtime error	22 ms	32872 KB	Execution killed with signal 11
71	Runtime error	33 ms	50784 KB	Execution killed with signal 11
72	Runtime error	33 ms	50772 KB	Execution killed with signal 11
73	Runtime error	36 ms	50772 KB	Execution killed with signal 11
74	Runtime error	42 ms	50772 KB	Execution killed with signal 11
75	Runtime error	34 ms	50836 KB	Execution killed with signal 11
76	Runtime error	36 ms	50848 KB	Execution killed with signal 11
77	Runtime error	34 ms	51036 KB	Execution killed with signal 11
78	Runtime error	34 ms	51196 KB	Execution killed with signal 11
79	Runtime error	34 ms	50760 KB	Execution killed with signal 11
80	Runtime error	36 ms	50872 KB	Execution killed with signal 11
81	Runtime error	34 ms	50784 KB	Execution killed with signal 11
82	Runtime error	33 ms	50780 KB	Execution killed with signal 11
83	Runtime error	41 ms	50768 KB	Execution killed with signal 11
84	Runtime error	34 ms	50772 KB	Execution killed with signal 11
85	Runtime error	36 ms	50820 KB	Execution killed with signal 11
86	Runtime error	39 ms	51028 KB	Execution killed with signal 11
87	Runtime error	34 ms	50768 KB	Execution killed with signal 11
88	Runtime error	39 ms	50784 KB	Execution killed with signal 11
89	Runtime error	37 ms	50892 KB	Execution killed with signal 11
90	Runtime error	21 ms	32860 KB	Execution killed with signal 11
91	Runtime error	33 ms	50772 KB	Execution killed with signal 11
92	Runtime error	33 ms	50780 KB	Execution killed with signal 11
93	Runtime error	38 ms	50776 KB	Execution killed with signal 11
94	Runtime error	36 ms	50756 KB	Execution killed with signal 11
95	Runtime error	34 ms	50780 KB	Execution killed with signal 11
96	Runtime error	34 ms	50968 KB	Execution killed with signal 11
97	Runtime error	36 ms	50780 KB	Execution killed with signal 11
98	Runtime error	35 ms	50920 KB	Execution killed with signal 11
99	Runtime error	34 ms	50768 KB	Execution killed with signal 11
100	Runtime error	39 ms	51132 KB	Execution killed with signal 11