#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
using db = double;
using ll = long long;
using ld = long double;
using ii = pair<int, int>;
using iii = tuple<int, int, int>;
using iiii = tuple<int, int, int, int>;
template<class key, class value = null_type, class cmp = less<key> >
using ordered_set = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>;
int N, M, width = LLONG_MAX, height = LLONG_MAX, up[2505][2505], down[2505][2505], lft[2505][2505], rig[2505][2505];
char C[2505][2505];
main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> N >> M;
for (int i = 1; i <= N; i++) {
for (int j = 1; j <= M; j++) {
cin >> C[i][j];
}
}
for (int i = 1; i <= N; i++) {
for (int j = 1; j <= M; j++) {
if (C[i][j] == '1') {
up[i][j] = (i > 1 && up[i - 1][j] ? up[i - 1][j] : i);
lft[i][j] = (j > 1 && lft[i][j - 1] ? lft[i][j - 1] : j);
}
}
for (int j = M; j >= 1; j--) {
if (C[i][j] == '1') rig[i][j] = (j < M && rig[i][j + 1] ? rig[i][j + 1] : j);
}
}
for (int i = N; i >= 1; i--) {
for (int j = 1; j <= M; j++) {
if (C[i][j] == '1') down[i][j] = (i < N && down[i + 1][j] ? down[i + 1][j] : i);
}
}
for (int i = 1; i <= N; i++) {
for (int j = 1; j <= M; j++) {
if (C[i][j] == '1') {
width = min(width, rig[i][j] - lft[i][j] + 1);
height = min(height, down[i][j] - up[i][j] + 1);
}
}
}
assert(width != LLONG_MAX && height != LLONG_MAX);
cout << width * height << '\n';
}
Compilation message
bomb.cpp:29:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
29 | main() {
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
18 ms |
46696 KB |
Output is correct |
4 |
Correct |
17 ms |
46676 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
592 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
584 KB |
Output isn't correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
16 |
Correct |
1 ms |
724 KB |
Output is correct |
17 |
Correct |
1 ms |
1620 KB |
Output is correct |
18 |
Incorrect |
1 ms |
1108 KB |
Output isn't correct |
19 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
20 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
21 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
22 |
Incorrect |
1 ms |
1108 KB |
Output isn't correct |
23 |
Incorrect |
1 ms |
1620 KB |
Output isn't correct |
24 |
Incorrect |
1 ms |
1492 KB |
Output isn't correct |
25 |
Incorrect |
2 ms |
2132 KB |
Output isn't correct |
26 |
Correct |
2 ms |
2516 KB |
Output is correct |
27 |
Correct |
5 ms |
8276 KB |
Output is correct |
28 |
Incorrect |
3 ms |
1904 KB |
Output isn't correct |
29 |
Incorrect |
7 ms |
10628 KB |
Output isn't correct |
30 |
Incorrect |
7 ms |
7764 KB |
Output isn't correct |
31 |
Incorrect |
5 ms |
5460 KB |
Output isn't correct |
32 |
Incorrect |
6 ms |
7252 KB |
Output isn't correct |
33 |
Incorrect |
8 ms |
10196 KB |
Output isn't correct |
34 |
Incorrect |
2 ms |
2264 KB |
Output isn't correct |
35 |
Incorrect |
5 ms |
2772 KB |
Output isn't correct |
36 |
Correct |
10 ms |
15196 KB |
Output is correct |
37 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
38 |
Runtime error |
156 ms |
131072 KB |
Execution killed with signal 9 |
39 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
40 |
Incorrect |
35 ms |
41360 KB |
Output isn't correct |
41 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
42 |
Incorrect |
2 ms |
2388 KB |
Output isn't correct |
43 |
Runtime error |
156 ms |
131072 KB |
Execution killed with signal 9 |
44 |
Incorrect |
10 ms |
12756 KB |
Output isn't correct |
45 |
Runtime error |
151 ms |
131072 KB |
Execution killed with signal 9 |
46 |
Runtime error |
144 ms |
131072 KB |
Execution killed with signal 9 |
47 |
Runtime error |
152 ms |
131072 KB |
Execution killed with signal 9 |
48 |
Runtime error |
157 ms |
131072 KB |
Execution killed with signal 9 |
49 |
Runtime error |
157 ms |
131072 KB |
Execution killed with signal 9 |
50 |
Runtime error |
159 ms |
131076 KB |
Execution killed with signal 9 |
51 |
Runtime error |
155 ms |
131072 KB |
Execution killed with signal 9 |
52 |
Runtime error |
156 ms |
131072 KB |
Execution killed with signal 9 |
53 |
Runtime error |
165 ms |
131072 KB |
Execution killed with signal 9 |
54 |
Incorrect |
149 ms |
126616 KB |
Output isn't correct |
55 |
Incorrect |
149 ms |
119152 KB |
Output isn't correct |
56 |
Runtime error |
170 ms |
131072 KB |
Execution killed with signal 9 |
57 |
Incorrect |
131 ms |
97144 KB |
Output isn't correct |
58 |
Incorrect |
140 ms |
109024 KB |
Output isn't correct |
59 |
Incorrect |
161 ms |
101064 KB |
Output isn't correct |
60 |
Runtime error |
149 ms |
131072 KB |
Execution killed with signal 9 |
61 |
Runtime error |
159 ms |
131072 KB |
Execution killed with signal 9 |
62 |
Runtime error |
157 ms |
131072 KB |
Execution killed with signal 9 |
63 |
Runtime error |
155 ms |
131072 KB |
Execution killed with signal 9 |
64 |
Correct |
136 ms |
103972 KB |
Output is correct |
65 |
Runtime error |
156 ms |
131072 KB |
Execution killed with signal 9 |
66 |
Runtime error |
156 ms |
131072 KB |
Execution killed with signal 9 |
67 |
Runtime error |
154 ms |
131072 KB |
Execution killed with signal 9 |
68 |
Runtime error |
152 ms |
131072 KB |
Execution killed with signal 9 |
69 |
Incorrect |
140 ms |
96760 KB |
Output isn't correct |
70 |
Incorrect |
77 ms |
35720 KB |
Output isn't correct |
71 |
Incorrect |
118 ms |
71500 KB |
Output isn't correct |
72 |
Incorrect |
128 ms |
91780 KB |
Output isn't correct |
73 |
Incorrect |
131 ms |
96396 KB |
Output isn't correct |
74 |
Incorrect |
132 ms |
96804 KB |
Output isn't correct |
75 |
Incorrect |
135 ms |
101560 KB |
Output isn't correct |
76 |
Incorrect |
135 ms |
106012 KB |
Output isn't correct |
77 |
Incorrect |
144 ms |
108716 KB |
Output isn't correct |
78 |
Incorrect |
139 ms |
108292 KB |
Output isn't correct |
79 |
Incorrect |
92 ms |
23336 KB |
Output isn't correct |
80 |
Incorrect |
94 ms |
26016 KB |
Output isn't correct |
81 |
Incorrect |
97 ms |
29604 KB |
Output isn't correct |
82 |
Incorrect |
139 ms |
115748 KB |
Output isn't correct |
83 |
Incorrect |
142 ms |
115620 KB |
Output isn't correct |
84 |
Incorrect |
85 ms |
13984 KB |
Output isn't correct |
85 |
Incorrect |
134 ms |
110120 KB |
Output isn't correct |
86 |
Runtime error |
153 ms |
131072 KB |
Execution killed with signal 9 |
87 |
Incorrect |
131 ms |
105776 KB |
Output isn't correct |
88 |
Incorrect |
139 ms |
113448 KB |
Output isn't correct |
89 |
Runtime error |
146 ms |
131072 KB |
Execution killed with signal 9 |
90 |
Incorrect |
91 ms |
74076 KB |
Output isn't correct |
91 |
Incorrect |
145 ms |
125092 KB |
Output isn't correct |
92 |
Runtime error |
150 ms |
131072 KB |
Execution killed with signal 9 |
93 |
Runtime error |
161 ms |
131072 KB |
Execution killed with signal 9 |
94 |
Runtime error |
152 ms |
131072 KB |
Execution killed with signal 9 |
95 |
Incorrect |
149 ms |
116000 KB |
Output isn't correct |
96 |
Incorrect |
144 ms |
115364 KB |
Output isn't correct |
97 |
Runtime error |
157 ms |
131072 KB |
Execution killed with signal 9 |
98 |
Incorrect |
142 ms |
115112 KB |
Output isn't correct |
99 |
Runtime error |
152 ms |
131072 KB |
Execution killed with signal 9 |
100 |
Runtime error |
158 ms |
131072 KB |
Execution killed with signal 9 |