| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 884609 |
2023-12-07T18:11:25 Z |
tsumondai |
Bomb (IZhO17_bomb) |
C++14 |
|
98 ms |
80148 KB |
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
#define __TIME (1.0 * clock() / CLOCKS_PER_SEC)
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
const int N = 2500+ 5;
const int oo = 1e9, mod = 1e9 + 7;
int a[N][N], u[N][N], d[N][N], ans[N];
void process() {
int mnr = oo, mnc = oo;
int n, m;
cin >> n >> m;
foru(i,1,n) {
foru(j,1,m) {
char c;
cin >> c;
a[i][j] = c - '0';
}
}
foru(i,1,n) {
foru(j,1,m) {
if (a[i][j]) u[i][j] = u[i - 1][j] + 1;
}
}
for (int i = n; i > 0; i--) {
foru(j,1,m) {
if (a[i][j]) {
d[i][j] = d[i + 1][j] + 1;
if (a[i + 1][j] == 0) mnc = min(mnc, u[i][j]);
}
}
}
foru(i,1,m) ans[i] = mnc;
foru(i,1,n) {
int aa = oo, b = oo, c = 0;
foru(j,1,m) {
if (a[i][j] == 0) {
if (c != 0) mnc = min(c, mnc);
aa = b = oo, c = 0;
} else {
aa = min(aa, d[i][j]);
b = min(b, u[i][j]);
c++;
ans[c] = min(ans[c], b + aa - 1);
}
}
aa = oo, b = oo, c = 0;
ford(j,m,0) {
if (a[i][j] == 0) {
if (c != 0) mnr = min(mnr, c);
aa = b = oo, c = 0;
} else {
aa = min(d[i][j], aa);
b = min(u[i][j], b);
c++;
ans[c] = min(ans[c], b + aa - 1);
}
}
if (c > 0) mnr = min(mnr, c);
}
int mx = 0;
foru(i,1,mnr) {
mx = max(ans[i] * i, mx);
}
cout << mx << "\n";
return;
}
signed main() {
cin.tie(0)->sync_with_stdio(false);
//freopen(".inp", "r", stdin);
//freopen(".out", "w", stdout);
process();
cerr << "Time elapsed: " << __TIME << " s.\n";
return 0;
}
// dont stop
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
14 ms |
71560 KB |
Output is correct |
| 4 |
Correct |
10 ms |
71684 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2512 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2520 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2516 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2516 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2528 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2512 KB |
Output is correct |
| 17 |
Correct |
2 ms |
7004 KB |
Output is correct |
| 18 |
Correct |
2 ms |
6748 KB |
Output is correct |
| 19 |
Correct |
2 ms |
6748 KB |
Output is correct |
| 20 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 21 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 22 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 23 |
Correct |
1 ms |
6872 KB |
Output is correct |
| 24 |
Correct |
1 ms |
6748 KB |
Output is correct |
| 25 |
Correct |
1 ms |
6872 KB |
Output is correct |
| 26 |
Correct |
2 ms |
7004 KB |
Output is correct |
| 27 |
Correct |
4 ms |
13404 KB |
Output is correct |
| 28 |
Correct |
3 ms |
9052 KB |
Output is correct |
| 29 |
Correct |
5 ms |
13832 KB |
Output is correct |
| 30 |
Correct |
4 ms |
13404 KB |
Output is correct |
| 31 |
Correct |
3 ms |
9820 KB |
Output is correct |
| 32 |
Correct |
4 ms |
13404 KB |
Output is correct |
| 33 |
Correct |
5 ms |
15964 KB |
Output is correct |
| 34 |
Correct |
3 ms |
9052 KB |
Output is correct |
| 35 |
Correct |
4 ms |
11096 KB |
Output is correct |
| 36 |
Correct |
5 ms |
19356 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 38 |
Correct |
94 ms |
80144 KB |
Output is correct |
| 39 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 40 |
Correct |
15 ms |
32472 KB |
Output is correct |
| 41 |
Correct |
1 ms |
2512 KB |
Output is correct |
| 42 |
Correct |
1 ms |
7004 KB |
Output is correct |
| 43 |
Correct |
89 ms |
79188 KB |
Output is correct |
| 44 |
Correct |
5 ms |
19288 KB |
Output is correct |
| 45 |
Correct |
89 ms |
79700 KB |
Output is correct |
| 46 |
Correct |
91 ms |
80076 KB |
Output is correct |
| 47 |
Correct |
90 ms |
79940 KB |
Output is correct |
| 48 |
Correct |
91 ms |
79952 KB |
Output is correct |
| 49 |
Correct |
95 ms |
79956 KB |
Output is correct |
| 50 |
Correct |
92 ms |
79952 KB |
Output is correct |
| 51 |
Correct |
92 ms |
80148 KB |
Output is correct |
| 52 |
Correct |
89 ms |
79944 KB |
Output is correct |
| 53 |
Correct |
90 ms |
80052 KB |
Output is correct |
| 54 |
Correct |
86 ms |
78936 KB |
Output is correct |
| 55 |
Correct |
91 ms |
78416 KB |
Output is correct |
| 56 |
Correct |
97 ms |
79960 KB |
Output is correct |
| 57 |
Correct |
83 ms |
72528 KB |
Output is correct |
| 58 |
Correct |
84 ms |
79056 KB |
Output is correct |
| 59 |
Correct |
83 ms |
76748 KB |
Output is correct |
| 60 |
Correct |
97 ms |
79196 KB |
Output is correct |
| 61 |
Correct |
93 ms |
80092 KB |
Output is correct |
| 62 |
Correct |
92 ms |
79952 KB |
Output is correct |
| 63 |
Correct |
94 ms |
79952 KB |
Output is correct |
| 64 |
Correct |
95 ms |
79244 KB |
Output is correct |
| 65 |
Correct |
90 ms |
79956 KB |
Output is correct |
| 66 |
Correct |
90 ms |
79956 KB |
Output is correct |
| 67 |
Correct |
96 ms |
79960 KB |
Output is correct |
| 68 |
Correct |
96 ms |
80096 KB |
Output is correct |
| 69 |
Correct |
90 ms |
70076 KB |
Output is correct |
| 70 |
Correct |
52 ms |
42324 KB |
Output is correct |
| 71 |
Correct |
82 ms |
68072 KB |
Output is correct |
| 72 |
Correct |
88 ms |
68944 KB |
Output is correct |
| 73 |
Correct |
89 ms |
68692 KB |
Output is correct |
| 74 |
Correct |
88 ms |
72996 KB |
Output is correct |
| 75 |
Correct |
91 ms |
76116 KB |
Output is correct |
| 76 |
Correct |
87 ms |
76880 KB |
Output is correct |
| 77 |
Correct |
91 ms |
76888 KB |
Output is correct |
| 78 |
Correct |
93 ms |
77144 KB |
Output is correct |
| 79 |
Correct |
77 ms |
43856 KB |
Output is correct |
| 80 |
Correct |
77 ms |
47952 KB |
Output is correct |
| 81 |
Correct |
86 ms |
47432 KB |
Output is correct |
| 82 |
Correct |
93 ms |
78664 KB |
Output is correct |
| 83 |
Correct |
93 ms |
79068 KB |
Output is correct |
| 84 |
Correct |
75 ms |
35156 KB |
Output is correct |
| 85 |
Correct |
86 ms |
79592 KB |
Output is correct |
| 86 |
Correct |
97 ms |
79696 KB |
Output is correct |
| 87 |
Correct |
85 ms |
79444 KB |
Output is correct |
| 88 |
Correct |
87 ms |
77520 KB |
Output is correct |
| 89 |
Correct |
90 ms |
79956 KB |
Output is correct |
| 90 |
Correct |
64 ms |
66888 KB |
Output is correct |
| 91 |
Correct |
90 ms |
79748 KB |
Output is correct |
| 92 |
Correct |
94 ms |
79956 KB |
Output is correct |
| 93 |
Correct |
96 ms |
79896 KB |
Output is correct |
| 94 |
Correct |
98 ms |
79956 KB |
Output is correct |
| 95 |
Correct |
85 ms |
78932 KB |
Output is correct |
| 96 |
Correct |
89 ms |
78656 KB |
Output is correct |
| 97 |
Correct |
92 ms |
79748 KB |
Output is correct |
| 98 |
Correct |
97 ms |
78676 KB |
Output is correct |
| 99 |
Correct |
87 ms |
79828 KB |
Output is correct |
| 100 |
Correct |
91 ms |
79820 KB |
Output is correct |
