# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
170234 |
2019-12-24T10:01:05 Z |
theboatman |
Bomb (IZhO17_bomb) |
C++17 |
|
47 ms |
7392 KB |
#include <bits/stdc++.h>
#define y1 theboatman
#define make_struct(args...) {args}
using namespace std;
typedef long long ll;
const long long INF = ll(1e18) + 10;
const int inf = int(1e9) + 10;
const int N = int(1e6) + 10;
bool can(int first, int c, int n, int m, vector <string> &a) {
for(int i = 0; i < n; i++) {
for(int j = 0; j < m; j++) {
if (a[i][j] == '1') {
int sz = 0;
while(j < m && a[i][j] == '1') {
j++;
sz++;
}
j--;
if (sz < c) {
return false;
}
}
}
}
for(int j = 0; j < m; j++) {
for(int i = 0; i < n; i++) {
if (a[i][j] == '1') {
int sz = 0;
while(i < n && a[i][j] == '1') {
i++;
sz++;
}
i--;
if (sz < first) {
return false;
}
}
}
}
return true;
}
void brute(int n, int m) {
vector <string> a(n);
for(int i = 0; i < n; i++) {
cin >> a[i];
}
ll ans = 0;
for(int first = 1; first <= n; first++) {
for(int second = 1; second <= m; second++) {
if (can(first, second, n, m, a)) {
ans = max(ans, 1LL * first * second);
}
else {
break;
}
}
}
cout << ans << "\n";
}
int main() {
cin.tie(0);
ios::sync_with_stdio(0);
int n, m;
cin >> n >> m;
if (1LL * n * m * n * m <= int(5e7)) {
brute(n, m);
return 0;
}
vector <string> a(n);
for(int i = 0; i < n; i++) {
cin >> a[i];
}
int second = m;
for(int i = 0; i < n; i++) {
for(int j = 0; j < m; j++) {
if (a[i][j] == '1') {
int sz = 0;
while(j < m && a[i][j] == '1') {
j++;
sz++;
}
j--;
second = min(second, sz);
}
}
}
int first = n;
for(int j = 0; j < m; j++) {
for(int i = 0; i < n; i++) {
if (a[i][j] == '1') {
int sz = 0;
while(i < n && a[i][j] == '1') {
i++;
sz++;
}
i--;
first = min(first, sz);
}
}
}
cout << 1LL * first * second << "\n";
return 0;
}
/*
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
372 KB |
Output is correct |
3 |
Correct |
21 ms |
504 KB |
Output is correct |
4 |
Correct |
20 ms |
504 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 |
0 ms |
376 KB |
Output isn't correct |
9 |
Incorrect |
2 ms |
376 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 |
3 ms |
376 KB |
Output is correct |
18 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
19 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
20 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
21 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
22 |
Incorrect |
3 ms |
380 KB |
Output isn't correct |
23 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
24 |
Incorrect |
7 ms |
376 KB |
Output isn't correct |
25 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
504 KB |
Output is correct |
28 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
29 |
Incorrect |
3 ms |
504 KB |
Output isn't correct |
30 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
31 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
32 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
33 |
Incorrect |
3 ms |
636 KB |
Output isn't correct |
34 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
35 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
36 |
Correct |
3 ms |
632 KB |
Output is correct |
37 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
38 |
Correct |
42 ms |
7256 KB |
Output is correct |
39 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
40 |
Incorrect |
6 ms |
1272 KB |
Output isn't correct |
41 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
42 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
43 |
Correct |
44 ms |
7392 KB |
Output is correct |
44 |
Incorrect |
3 ms |
632 KB |
Output isn't correct |
45 |
Incorrect |
43 ms |
7160 KB |
Output isn't correct |
46 |
Correct |
45 ms |
7160 KB |
Output is correct |
47 |
Incorrect |
45 ms |
7288 KB |
Output isn't correct |
48 |
Incorrect |
42 ms |
7280 KB |
Output isn't correct |
49 |
Correct |
41 ms |
7160 KB |
Output is correct |
50 |
Incorrect |
42 ms |
7288 KB |
Output isn't correct |
51 |
Incorrect |
43 ms |
7160 KB |
Output isn't correct |
52 |
Incorrect |
44 ms |
7160 KB |
Output isn't correct |
53 |
Incorrect |
43 ms |
7288 KB |
Output isn't correct |
54 |
Incorrect |
47 ms |
7160 KB |
Output isn't correct |
55 |
Incorrect |
42 ms |
7280 KB |
Output isn't correct |
56 |
Correct |
44 ms |
7160 KB |
Output is correct |
57 |
Incorrect |
42 ms |
7288 KB |
Output isn't correct |
58 |
Incorrect |
44 ms |
7288 KB |
Output isn't correct |
59 |
Incorrect |
44 ms |
7160 KB |
Output isn't correct |
60 |
Correct |
43 ms |
7160 KB |
Output is correct |
61 |
Correct |
44 ms |
7288 KB |
Output is correct |
62 |
Correct |
43 ms |
7160 KB |
Output is correct |
63 |
Correct |
43 ms |
7160 KB |
Output is correct |
64 |
Correct |
44 ms |
7160 KB |
Output is correct |
65 |
Incorrect |
44 ms |
7160 KB |
Output isn't correct |
66 |
Incorrect |
42 ms |
7160 KB |
Output isn't correct |
67 |
Incorrect |
44 ms |
7336 KB |
Output isn't correct |
68 |
Incorrect |
42 ms |
7160 KB |
Output isn't correct |
69 |
Incorrect |
44 ms |
7284 KB |
Output isn't correct |
70 |
Incorrect |
24 ms |
4728 KB |
Output isn't correct |
71 |
Incorrect |
43 ms |
7160 KB |
Output isn't correct |
72 |
Incorrect |
41 ms |
7032 KB |
Output isn't correct |
73 |
Incorrect |
43 ms |
6968 KB |
Output isn't correct |
74 |
Incorrect |
44 ms |
7032 KB |
Output isn't correct |
75 |
Incorrect |
42 ms |
7032 KB |
Output isn't correct |
76 |
Incorrect |
42 ms |
7032 KB |
Output isn't correct |
77 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
78 |
Incorrect |
44 ms |
7032 KB |
Output isn't correct |
79 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
80 |
Incorrect |
42 ms |
7032 KB |
Output isn't correct |
81 |
Incorrect |
44 ms |
7032 KB |
Output isn't correct |
82 |
Incorrect |
42 ms |
7032 KB |
Output isn't correct |
83 |
Incorrect |
44 ms |
7032 KB |
Output isn't correct |
84 |
Incorrect |
47 ms |
7032 KB |
Output isn't correct |
85 |
Incorrect |
44 ms |
7032 KB |
Output isn't correct |
86 |
Incorrect |
43 ms |
7112 KB |
Output isn't correct |
87 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
88 |
Incorrect |
43 ms |
7160 KB |
Output isn't correct |
89 |
Incorrect |
42 ms |
7032 KB |
Output isn't correct |
90 |
Incorrect |
25 ms |
4600 KB |
Output isn't correct |
91 |
Incorrect |
44 ms |
7032 KB |
Output isn't correct |
92 |
Incorrect |
42 ms |
7004 KB |
Output isn't correct |
93 |
Incorrect |
41 ms |
7032 KB |
Output isn't correct |
94 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
95 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
96 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
97 |
Incorrect |
43 ms |
7160 KB |
Output isn't correct |
98 |
Incorrect |
43 ms |
7092 KB |
Output isn't correct |
99 |
Incorrect |
43 ms |
7032 KB |
Output isn't correct |
100 |
Incorrect |
41 ms |
7032 KB |
Output isn't correct |