# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
833274 |
2023-08-22T03:59:06 Z |
vjudge1 |
Bomb (IZhO17_bomb) |
C++17 |
|
171 ms |
24920 KB |
#include <bits/stdc++.h>
using namespace std;
const int MX = 2505;
int N, M;
int A[MX][MX];
int solve(vector<int> v) {
int mn = 1e9;
vector<int> lf(v.size()), rg(v.size());
for(int i = 0; i < v.size(); i++) {
if(v[i] == 1) {
if(i - 1 < 0 || v[i - 1] == 0) lf[i] = i;
else lf[i] = lf[i - 1];
}
}
for(int i = v.size() - 1; i >= 0; i--) {
if(v[i] == 1) {
if(i + 1 == v.size() || v[i + 1] == 0) rg[i] = i;
else rg[i] = rg[i + 1];
}
}
for(int i = 0; i < v.size(); i++) {
if(v[i] == 1) {
mn = min(mn, rg[i] - lf[i] + 1);
}
}
return mn;
}
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
cin >> N >> M;
for(int i = 0; i < N; i++) {
for(int j = 0; j < M; j++) {
char c;
cin >> c;
if(c == '1') A[i][j] = 1;
}
}
int minRow = 1e9, minCol = 1e9;
for(int i = 0; i < N; i++) {
vector<int> v;
for(int j = 0; j < M; j++) v.push_back(A[i][j]);
minRow = min(minRow, solve(v));
}
for(int j = 0; j < M; j++) {
vector<int> v;
for(int i = 0; i < N; i++) v.push_back(A[i][j]);
minCol = min(minCol, solve(v));
}
cout << minRow * minCol << '\n';
}
Compilation message
bomb.cpp: In function 'int solve(std::vector<int>)':
bomb.cpp:13:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
13 | for(int i = 0; i < v.size(); i++) {
| ~~^~~~~~~~~~
bomb.cpp:22:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | if(i + 1 == v.size() || v[i + 1] == 0) rg[i] = i;
| ~~~~~~^~~~~~~~~~~
bomb.cpp:27:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | for(int i = 0; i < v.size(); i++) {
| ~~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
4 ms |
10312 KB |
Output is correct |
4 |
Correct |
4 ms |
10392 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
9 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
10 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
11 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
12 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Incorrect |
0 ms |
468 KB |
Output isn't correct |
19 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
20 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
21 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
22 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
23 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
24 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
25 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
3 ms |
1748 KB |
Output is correct |
28 |
Incorrect |
2 ms |
468 KB |
Output isn't correct |
29 |
Incorrect |
4 ms |
2260 KB |
Output isn't correct |
30 |
Incorrect |
6 ms |
1716 KB |
Output isn't correct |
31 |
Incorrect |
4 ms |
1236 KB |
Output isn't correct |
32 |
Incorrect |
4 ms |
1620 KB |
Output isn't correct |
33 |
Incorrect |
5 ms |
2132 KB |
Output isn't correct |
34 |
Incorrect |
2 ms |
596 KB |
Output isn't correct |
35 |
Incorrect |
4 ms |
596 KB |
Output isn't correct |
36 |
Correct |
6 ms |
2900 KB |
Output is correct |
37 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
38 |
Correct |
170 ms |
24860 KB |
Output is correct |
39 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
40 |
Incorrect |
20 ms |
6868 KB |
Output isn't correct |
41 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
42 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
43 |
Correct |
160 ms |
22936 KB |
Output is correct |
44 |
Incorrect |
5 ms |
2516 KB |
Output isn't correct |
45 |
Incorrect |
160 ms |
23596 KB |
Output isn't correct |
46 |
Correct |
155 ms |
24864 KB |
Output is correct |
47 |
Incorrect |
156 ms |
23572 KB |
Output isn't correct |
48 |
Incorrect |
151 ms |
24780 KB |
Output isn't correct |
49 |
Correct |
171 ms |
24864 KB |
Output is correct |
50 |
Incorrect |
159 ms |
24768 KB |
Output isn't correct |
51 |
Incorrect |
154 ms |
24920 KB |
Output isn't correct |
52 |
Incorrect |
159 ms |
24844 KB |
Output isn't correct |
53 |
Incorrect |
153 ms |
24528 KB |
Output isn't correct |
54 |
Incorrect |
136 ms |
18124 KB |
Output isn't correct |
55 |
Incorrect |
146 ms |
17292 KB |
Output isn't correct |
56 |
Correct |
162 ms |
24820 KB |
Output is correct |
57 |
Incorrect |
154 ms |
14916 KB |
Output isn't correct |
58 |
Incorrect |
157 ms |
17372 KB |
Output isn't correct |
59 |
Incorrect |
139 ms |
15740 KB |
Output isn't correct |
60 |
Correct |
165 ms |
20764 KB |
Output is correct |
61 |
Correct |
168 ms |
24816 KB |
Output is correct |
62 |
Correct |
167 ms |
24860 KB |
Output is correct |
63 |
Correct |
168 ms |
24864 KB |
Output is correct |
64 |
Correct |
147 ms |
16288 KB |
Output is correct |
65 |
Incorrect |
155 ms |
24324 KB |
Output isn't correct |
66 |
Incorrect |
162 ms |
22776 KB |
Output isn't correct |
67 |
Incorrect |
160 ms |
24820 KB |
Output isn't correct |
68 |
Incorrect |
159 ms |
24864 KB |
Output isn't correct |
69 |
Incorrect |
135 ms |
14668 KB |
Output isn't correct |
70 |
Incorrect |
76 ms |
5360 KB |
Output isn't correct |
71 |
Incorrect |
127 ms |
11116 KB |
Output isn't correct |
72 |
Incorrect |
147 ms |
13880 KB |
Output isn't correct |
73 |
Incorrect |
141 ms |
14052 KB |
Output isn't correct |
74 |
Incorrect |
138 ms |
14812 KB |
Output isn't correct |
75 |
Incorrect |
141 ms |
15736 KB |
Output isn't correct |
76 |
Incorrect |
140 ms |
16420 KB |
Output isn't correct |
77 |
Incorrect |
142 ms |
16640 KB |
Output isn't correct |
78 |
Incorrect |
142 ms |
16756 KB |
Output isn't correct |
79 |
Incorrect |
120 ms |
2940 KB |
Output isn't correct |
80 |
Incorrect |
118 ms |
3676 KB |
Output isn't correct |
81 |
Incorrect |
147 ms |
3868 KB |
Output isn't correct |
82 |
Incorrect |
160 ms |
17968 KB |
Output isn't correct |
83 |
Incorrect |
143 ms |
18176 KB |
Output isn't correct |
84 |
Incorrect |
124 ms |
692 KB |
Output isn't correct |
85 |
Incorrect |
157 ms |
17700 KB |
Output isn't correct |
86 |
Incorrect |
170 ms |
24308 KB |
Output isn't correct |
87 |
Incorrect |
136 ms |
17028 KB |
Output isn't correct |
88 |
Incorrect |
151 ms |
17380 KB |
Output isn't correct |
89 |
Incorrect |
164 ms |
21772 KB |
Output isn't correct |
90 |
Incorrect |
87 ms |
12380 KB |
Output isn't correct |
91 |
Incorrect |
141 ms |
19388 KB |
Output isn't correct |
92 |
Incorrect |
150 ms |
20156 KB |
Output isn't correct |
93 |
Incorrect |
169 ms |
23768 KB |
Output isn't correct |
94 |
Incorrect |
151 ms |
21172 KB |
Output isn't correct |
95 |
Incorrect |
147 ms |
18048 KB |
Output isn't correct |
96 |
Incorrect |
151 ms |
17948 KB |
Output isn't correct |
97 |
Incorrect |
164 ms |
24136 KB |
Output isn't correct |
98 |
Incorrect |
137 ms |
17852 KB |
Output isn't correct |
99 |
Incorrect |
143 ms |
20872 KB |
Output isn't correct |
100 |
Incorrect |
164 ms |
23628 KB |
Output isn't correct |