| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 832239 |
2023-08-21T07:27:23 Z |
vjudge1 |
Bomb (IZhO17_bomb) |
C++14 |
|
1000 ms |
56744 KB |
#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
#define ll long long
#define rep(i,n,N) for(int i = n; i<=N; ++i)
#define rap(i,n,N) for(int i = n; i>=N; --i)
#define For(i,n,N) for(int i = n; i< N; ++i)
#define endl '\n'
#define pb push_back
#define all(x) x.begin(),x.end()
#define mems(x,y) memset(x,y,sizeof x)
#define ari(x) array<int,x>
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fi first
#define se second
const int MAX = 2500 + 5;
mt19937 rng(time(NULL));
int n,m,mnr,mnc,cnt,y[MAX][MAX],z[MAX][MAX];
char c;
bool x[MAX][MAX];
vector<ari(3)> v;
inline bool cek(int r,int c,int dr,int dc){
return y[r][c] - y[r-dr][c] - y[r][c-dc] + y[r-dr][c-dc] == dr*dc;
}
inline void solve(int dr,int dc){
mems(z, 0);
rep(i,dr,n)rep(j,dc,m)if(x[i][j] && cek(i,j,dr,dc)){
z[i][j]++;
z[i-dr][j]--;
z[i][j-dc]--;
z[i-dr][j-dc]++;
}
rap(i,n,1)rap(j,m,1){
z[i][j]+= z[i+1][j]+z[i][j+1]-z[i+1][j+1];
if((!!z[i][j])!=x[i][j])return;
}
cout<<dr*dc<<endl;
exit(0);
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n>>m;
mnr = n, mnc = m;
rep(i,1,n){
rep(j,1,m){
cin>>c;
x[i][j] = c=='1';
y[i][j] = y[i-1][j]+y[i][j-1]-y[i-1][j-1]+x[i][j];
if(x[i][j])++cnt;
else if(cnt)mnc = min(mnc, cnt), cnt = 0;
}
if(cnt)mnc = min(mnc, cnt), cnt = 0;
}
rep(j,1,m){
rep(i,1,n){
if(x[i][j])++cnt;
else if(cnt)mnr = min(mnr, cnt), cnt = 0;
}
if(cnt)mnr = min(mnr, cnt), cnt = 0;
}
solve(mnr, mnc);
int ar = max(1, mnr-100);
int ac = max(1, mnc-100);
rep(i,ar,mnr)rep(j,ac,mnc)v.pb({i*j, i, j});
v.pop_back();
sort(all(v));
reverse(all(v));
for(auto &i:v)solve(i[1], i[2]), cout<<i[1]<<" "<<i[2]<<endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
24784 KB |
Output is correct |
| 2 |
Correct |
9 ms |
24916 KB |
Output is correct |
| 3 |
Correct |
17 ms |
41012 KB |
Output is correct |
| 4 |
Correct |
16 ms |
40964 KB |
Output is correct |
| 5 |
Correct |
8 ms |
24916 KB |
Output is correct |
| 6 |
Correct |
11 ms |
24848 KB |
Output is correct |
| 7 |
Correct |
9 ms |
24908 KB |
Output is correct |
| 8 |
Incorrect |
26 ms |
25032 KB |
Output isn't correct |
| 9 |
Incorrect |
29 ms |
24936 KB |
Output isn't correct |
| 10 |
Correct |
12 ms |
24916 KB |
Output is correct |
| 11 |
Incorrect |
46 ms |
24960 KB |
Output isn't correct |
| 12 |
Correct |
12 ms |
24916 KB |
Output is correct |
| 13 |
Correct |
9 ms |
24972 KB |
Output is correct |
| 14 |
Correct |
10 ms |
24908 KB |
Output is correct |
| 15 |
Incorrect |
33 ms |
24916 KB |
Output isn't correct |
| 16 |
Correct |
10 ms |
24928 KB |
Output is correct |
| 17 |
Correct |
10 ms |
25300 KB |
Output is correct |
| 18 |
Incorrect |
22 ms |
25272 KB |
Output isn't correct |
| 19 |
Incorrect |
466 ms |
25536 KB |
Output isn't correct |
| 20 |
Incorrect |
476 ms |
25528 KB |
Output isn't correct |
| 21 |
Incorrect |
24 ms |
25196 KB |
Output isn't correct |
| 22 |
Incorrect |
38 ms |
25300 KB |
Output isn't correct |
| 23 |
Incorrect |
487 ms |
25608 KB |
Output isn't correct |
| 24 |
Incorrect |
490 ms |
25452 KB |
Output isn't correct |
| 25 |
Execution timed out |
1080 ms |
25628 KB |
Time limit exceeded |
| 26 |
Correct |
11 ms |
25556 KB |
Output is correct |
| 27 |
Correct |
11 ms |
27092 KB |
Output is correct |
| 28 |
Incorrect |
55 ms |
27220 KB |
Output isn't correct |
| 29 |
Execution timed out |
1089 ms |
28180 KB |
Time limit exceeded |
| 30 |
Execution timed out |
1078 ms |
28892 KB |
Time limit exceeded |
| 31 |
Execution timed out |
1048 ms |
27968 KB |
Time limit exceeded |
| 32 |
Execution timed out |
1077 ms |
28448 KB |
Time limit exceeded |
| 33 |
Execution timed out |
1080 ms |
29048 KB |
Time limit exceeded |
| 34 |
Incorrect |
64 ms |
27604 KB |
Output isn't correct |
| 35 |
Execution timed out |
1088 ms |
28764 KB |
Time limit exceeded |
| 36 |
Correct |
14 ms |
28756 KB |
Output is correct |
| 37 |
Incorrect |
42 ms |
25016 KB |
Output isn't correct |
| 38 |
Correct |
100 ms |
56296 KB |
Output is correct |
| 39 |
Incorrect |
52 ms |
25008 KB |
Output isn't correct |
| 40 |
Execution timed out |
1073 ms |
34192 KB |
Time limit exceeded |
| 41 |
Incorrect |
43 ms |
25016 KB |
Output isn't correct |
| 42 |
Execution timed out |
1089 ms |
25660 KB |
Time limit exceeded |
| 43 |
Correct |
107 ms |
56212 KB |
Output is correct |
| 44 |
Execution timed out |
1090 ms |
29048 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1031 ms |
56524 KB |
Time limit exceeded |
| 46 |
Correct |
118 ms |
56248 KB |
Output is correct |
| 47 |
Execution timed out |
1043 ms |
56492 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1046 ms |
56372 KB |
Time limit exceeded |
| 49 |
Correct |
136 ms |
56200 KB |
Output is correct |
| 50 |
Execution timed out |
1067 ms |
56432 KB |
Time limit exceeded |
| 51 |
Execution timed out |
1032 ms |
56328 KB |
Time limit exceeded |
| 52 |
Execution timed out |
1051 ms |
56396 KB |
Time limit exceeded |
| 53 |
Execution timed out |
1016 ms |
56428 KB |
Time limit exceeded |
| 54 |
Execution timed out |
1029 ms |
56440 KB |
Time limit exceeded |
| 55 |
Execution timed out |
1076 ms |
56380 KB |
Time limit exceeded |
| 56 |
Correct |
106 ms |
56300 KB |
Output is correct |
| 57 |
Execution timed out |
1025 ms |
56428 KB |
Time limit exceeded |
| 58 |
Execution timed out |
1048 ms |
56332 KB |
Time limit exceeded |
| 59 |
Execution timed out |
1037 ms |
56392 KB |
Time limit exceeded |
| 60 |
Correct |
116 ms |
56296 KB |
Output is correct |
| 61 |
Correct |
109 ms |
56184 KB |
Output is correct |
| 62 |
Correct |
110 ms |
56180 KB |
Output is correct |
| 63 |
Correct |
104 ms |
56172 KB |
Output is correct |
| 64 |
Correct |
112 ms |
56176 KB |
Output is correct |
| 65 |
Execution timed out |
1034 ms |
56320 KB |
Time limit exceeded |
| 66 |
Incorrect |
169 ms |
56284 KB |
Output isn't correct |
| 67 |
Execution timed out |
1040 ms |
56368 KB |
Time limit exceeded |
| 68 |
Incorrect |
856 ms |
56380 KB |
Output isn't correct |
| 69 |
Execution timed out |
1031 ms |
56356 KB |
Time limit exceeded |
| 70 |
Execution timed out |
1040 ms |
50000 KB |
Time limit exceeded |
| 71 |
Execution timed out |
1010 ms |
56488 KB |
Time limit exceeded |
| 72 |
Execution timed out |
1048 ms |
56592 KB |
Time limit exceeded |
| 73 |
Execution timed out |
1043 ms |
56628 KB |
Time limit exceeded |
| 74 |
Execution timed out |
1094 ms |
56552 KB |
Time limit exceeded |
| 75 |
Execution timed out |
1043 ms |
56576 KB |
Time limit exceeded |
| 76 |
Execution timed out |
1052 ms |
56556 KB |
Time limit exceeded |
| 77 |
Execution timed out |
1031 ms |
56556 KB |
Time limit exceeded |
| 78 |
Execution timed out |
1014 ms |
56512 KB |
Time limit exceeded |
| 79 |
Execution timed out |
1035 ms |
56304 KB |
Time limit exceeded |
| 80 |
Execution timed out |
1026 ms |
56320 KB |
Time limit exceeded |
| 81 |
Execution timed out |
1037 ms |
56536 KB |
Time limit exceeded |
| 82 |
Execution timed out |
1014 ms |
56572 KB |
Time limit exceeded |
| 83 |
Execution timed out |
1030 ms |
56528 KB |
Time limit exceeded |
| 84 |
Execution timed out |
1086 ms |
56312 KB |
Time limit exceeded |
| 85 |
Execution timed out |
1024 ms |
56504 KB |
Time limit exceeded |
| 86 |
Execution timed out |
1045 ms |
56268 KB |
Time limit exceeded |
| 87 |
Execution timed out |
1049 ms |
56540 KB |
Time limit exceeded |
| 88 |
Execution timed out |
1020 ms |
56564 KB |
Time limit exceeded |
| 89 |
Execution timed out |
1043 ms |
56572 KB |
Time limit exceeded |
| 90 |
Execution timed out |
1079 ms |
50048 KB |
Time limit exceeded |
| 91 |
Execution timed out |
1074 ms |
56496 KB |
Time limit exceeded |
| 92 |
Execution timed out |
1057 ms |
56500 KB |
Time limit exceeded |
| 93 |
Execution timed out |
1070 ms |
56340 KB |
Time limit exceeded |
| 94 |
Execution timed out |
1068 ms |
56600 KB |
Time limit exceeded |
| 95 |
Execution timed out |
1059 ms |
56636 KB |
Time limit exceeded |
| 96 |
Execution timed out |
1045 ms |
56536 KB |
Time limit exceeded |
| 97 |
Execution timed out |
1048 ms |
56340 KB |
Time limit exceeded |
| 98 |
Execution timed out |
1027 ms |
56556 KB |
Time limit exceeded |
| 99 |
Execution timed out |
1066 ms |
56532 KB |
Time limit exceeded |
| 100 |
Execution timed out |
1041 ms |
56744 KB |
Time limit exceeded |
