| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 93211 |
2019-01-07T09:41:58 Z |
Vardanyan |
Bomb (IZhO17_bomb) |
C++14 |
|
297 ms |
105224 KB |
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <algorithm>
#include <bitset>
#include <cstring>
#include <vector>
using namespace std;
const int N = 2505;
int dzaxic[N][N];
int ajic[N][N];
int a[N][N];
int n, m;
int M[N];
int mnw = 1000 * 1000 * 1000 + 5;
int mnh = mnw;
vector<pair<int, int> > v;
void calc1(int i, int j,int pl){
int now = -1;
for (int ii = i; ii <= n; ii+=pl){
if (now == -1 || ajic[ii][j] < now){
now = ajic[ii][j];
}
now = min(now, mnw);
if(pl == 1) v.push_back({ ii - i + 1, now });
else v.push_back({ i - ii + 1, now });
}
}
void calc2(int i, int j,int pl){
}
int main(){
ios_base::sync_with_stdio(false);
cin >> n >> m;
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
char c;
cin >> c;
a[i][j] = c - '0';
}
}
for (int i = 1; i <= n; i++)
{
int now = 0;
for (int j = 1; j <= m; j++){
if (a[i][j]){
now++;
dzaxic[i][j] = now;
}
else{
if(now) mnw = min(mnw, now);
now = 0;
}
}
if (now) mnw = min(mnw, now);
now = 0;
for (int j = m; j >= 1; j--){
if (a[i][j]){
now++;
ajic[i][j] = now;
}
else now = 0;
}
}
for (int j = 1; j <= m; j++){
int now = 0;
for (int i = 1; i <= n; i++){
if (a[i][j]){
now++;
}
else{
if(now) mnh = min(mnh, now);
now = 0;
}
}
if (now) mnh = min(mnh, now);
}
//cout << mnh << " " << mnw << endl;
/*for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
cout <<ajic[i][j] << " ";
}
cout << endl;
}*/
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
if (a[i][j] == 1 && a[i - 1][j] == 0 && a[i][j - 1] == 0 && a[i - 1][j - 1] == 0){
int now = -1;
//calc1(i, j, 1);
for (int ii = i; ii <= n; ii++){
if (a[ii][j] == 0) break;
if (now == -1 || ajic[ii][j] < now){
now = ajic[ii][j];
}
now = min(now, mnw);
v.push_back({ ii - i + 1, now });
}
}
if (a[i][j] == 1 && a[i][j - 1] == 0 && a[i + 1][j - 1] == 0 && a[i][j + 1] == 0){
int now = -1;
//calc1(i, j, -1);
for (int ii = i; ii >= 1; ii--){
if (a[ii][j] == 0) break;
if (now == -1 || ajic[ii][j] < now){
now = ajic[ii][j];
}
now = min(now, mnw);
v.push_back({ i - ii + 1, now });
}
}
if (a[i][j] == 1 && a[i - 1][j] == 0 && a[i][j + 1] == 0 && a[i - 1][j + 1] == 0){
int now = -1;
for (int ii = i; ii <= n; ii++){
if (a[ii][j] == 0) break;
if (now == -1 || dzaxic[i][j] < now){
now = dzaxic[i][j];
}
now = min(now, mnw);
v.push_back({ ii - i + 1, now });
}
}
if (a[i][j] == 1 && a[i + 1][j] == 0 && a[i][j + 1] == 0 && a[i + 1][j + 1] == 0){
int now = -1;
for (int ii = i; ii >= 1; ii--){
if (a[ii][j] == 0) break;
if (now == -1 || dzaxic[ii][j] < now){
now = dzaxic[ii][j];
}
now = min(now, mnw);
v.push_back({ i - ii + 1, now });
}
}
}
}
//cout << mnh << " " << mnw << endl;
memset(M, -1, sizeof M);
for (int i = 0; i < v.size(); i++){
int a = v[i].first;
int b = v[i].second;
if (M[a] == -1 || M[a] > b){
M[a] = b;
}
}
long long ans = 0;
for (int i = 0; i < v.size(); i++){
long long a = v[i].first;
if (a > mnh) continue;
long long b = M[a];
a *= b;
ans = max(ans, a);
}
cout << ans << endl;
return 0;
}
Compilation message
bomb.cpp: In function 'int main()':
bomb.cpp:51:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
if(now) mnw = min(mnw, now);
^~
bomb.cpp:52:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
now = 0;
^~~
bomb.cpp:72:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
if(now) mnh = min(mnh, now);
^~
bomb.cpp:73:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
now = 0;
^~~
bomb.cpp:137:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < v.size(); i++){
~~^~~~~~~~~~
bomb.cpp:145:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < v.size(); i++){
~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
548 KB |
Output is correct |
| 3 |
Correct |
63 ms |
47060 KB |
Output is correct |
| 4 |
Correct |
40 ms |
38752 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 |
380 KB |
Output is correct |
| 8 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 9 |
Incorrect |
2 ms |
632 KB |
Output isn't correct |
| 10 |
Correct |
2 ms |
504 KB |
Output is correct |
| 11 |
Incorrect |
2 ms |
632 KB |
Output isn't correct |
| 12 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 13 |
Correct |
2 ms |
504 KB |
Output is correct |
| 14 |
Correct |
2 ms |
504 KB |
Output is correct |
| 15 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 16 |
Correct |
2 ms |
632 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1144 KB |
Output is correct |
| 18 |
Correct |
2 ms |
1016 KB |
Output is correct |
| 19 |
Incorrect |
2 ms |
1272 KB |
Output isn't correct |
| 20 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
| 21 |
Correct |
2 ms |
716 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1016 KB |
Output is correct |
| 23 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
| 24 |
Incorrect |
2 ms |
1272 KB |
Output isn't correct |
| 25 |
Incorrect |
3 ms |
1528 KB |
Output isn't correct |
| 26 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 27 |
Correct |
6 ms |
4936 KB |
Output is correct |
| 28 |
Incorrect |
5 ms |
2424 KB |
Output isn't correct |
| 29 |
Incorrect |
10 ms |
7032 KB |
Output isn't correct |
| 30 |
Incorrect |
9 ms |
5880 KB |
Output isn't correct |
| 31 |
Incorrect |
7 ms |
4344 KB |
Output isn't correct |
| 32 |
Incorrect |
8 ms |
5496 KB |
Output isn't correct |
| 33 |
Incorrect |
10 ms |
6904 KB |
Output isn't correct |
| 34 |
Incorrect |
5 ms |
2680 KB |
Output isn't correct |
| 35 |
Incorrect |
8 ms |
3704 KB |
Output isn't correct |
| 36 |
Correct |
12 ms |
8312 KB |
Output is correct |
| 37 |
Correct |
2 ms |
596 KB |
Output is correct |
| 38 |
Correct |
199 ms |
76180 KB |
Output is correct |
| 39 |
Correct |
2 ms |
604 KB |
Output is correct |
| 40 |
Incorrect |
34 ms |
20860 KB |
Output isn't correct |
| 41 |
Correct |
2 ms |
632 KB |
Output is correct |
| 42 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 43 |
Correct |
297 ms |
105224 KB |
Output is correct |
| 44 |
Correct |
11 ms |
8312 KB |
Output is correct |
| 45 |
Correct |
275 ms |
90064 KB |
Output is correct |
| 46 |
Correct |
218 ms |
76320 KB |
Output is correct |
| 47 |
Correct |
283 ms |
90104 KB |
Output is correct |
| 48 |
Correct |
237 ms |
80364 KB |
Output is correct |
| 49 |
Correct |
217 ms |
76024 KB |
Output is correct |
| 50 |
Incorrect |
246 ms |
79884 KB |
Output isn't correct |
| 51 |
Incorrect |
233 ms |
79960 KB |
Output isn't correct |
| 52 |
Correct |
226 ms |
79848 KB |
Output is correct |
| 53 |
Incorrect |
241 ms |
79208 KB |
Output isn't correct |
| 54 |
Correct |
226 ms |
64592 KB |
Output is correct |
| 55 |
Incorrect |
234 ms |
62704 KB |
Output isn't correct |
| 56 |
Correct |
225 ms |
79664 KB |
Output is correct |
| 57 |
Incorrect |
192 ms |
56432 KB |
Output isn't correct |
| 58 |
Correct |
204 ms |
62448 KB |
Output is correct |
| 59 |
Correct |
203 ms |
58248 KB |
Output is correct |
| 60 |
Correct |
199 ms |
67168 KB |
Output is correct |
| 61 |
Correct |
204 ms |
75176 KB |
Output is correct |
| 62 |
Correct |
225 ms |
75272 KB |
Output is correct |
| 63 |
Correct |
200 ms |
75180 KB |
Output is correct |
| 64 |
Correct |
193 ms |
58232 KB |
Output is correct |
| 65 |
Correct |
231 ms |
78068 KB |
Output is correct |
| 66 |
Incorrect |
208 ms |
71160 KB |
Output isn't correct |
| 67 |
Correct |
220 ms |
79408 KB |
Output is correct |
| 68 |
Incorrect |
245 ms |
79364 KB |
Output isn't correct |
| 69 |
Correct |
200 ms |
55424 KB |
Output is correct |
| 70 |
Incorrect |
119 ms |
31196 KB |
Output isn't correct |
| 71 |
Incorrect |
191 ms |
47376 KB |
Output isn't correct |
| 72 |
Incorrect |
187 ms |
52088 KB |
Output isn't correct |
| 73 |
Incorrect |
203 ms |
52640 KB |
Output isn't correct |
| 74 |
Incorrect |
203 ms |
55508 KB |
Output isn't correct |
| 75 |
Incorrect |
199 ms |
56844 KB |
Output isn't correct |
| 76 |
Incorrect |
191 ms |
58076 KB |
Output isn't correct |
| 77 |
Incorrect |
195 ms |
58696 KB |
Output isn't correct |
| 78 |
Incorrect |
199 ms |
58872 KB |
Output isn't correct |
| 79 |
Incorrect |
175 ms |
31092 KB |
Output isn't correct |
| 80 |
Incorrect |
179 ms |
32504 KB |
Output isn't correct |
| 81 |
Incorrect |
191 ms |
32916 KB |
Output isn't correct |
| 82 |
Incorrect |
218 ms |
61252 KB |
Output isn't correct |
| 83 |
Incorrect |
219 ms |
61504 KB |
Output isn't correct |
| 84 |
Incorrect |
195 ms |
26496 KB |
Output isn't correct |
| 85 |
Incorrect |
210 ms |
60392 KB |
Output isn't correct |
| 86 |
Incorrect |
222 ms |
73720 KB |
Output isn't correct |
| 87 |
Incorrect |
215 ms |
59068 KB |
Output isn't correct |
| 88 |
Incorrect |
222 ms |
59896 KB |
Output isn't correct |
| 89 |
Incorrect |
222 ms |
68616 KB |
Output isn't correct |
| 90 |
Incorrect |
135 ms |
44792 KB |
Output isn't correct |
| 91 |
Incorrect |
219 ms |
63524 KB |
Output isn't correct |
| 92 |
Incorrect |
222 ms |
65204 KB |
Output isn't correct |
| 93 |
Incorrect |
224 ms |
72404 KB |
Output isn't correct |
| 94 |
Incorrect |
216 ms |
66992 KB |
Output isn't correct |
| 95 |
Incorrect |
223 ms |
60904 KB |
Output isn't correct |
| 96 |
Incorrect |
221 ms |
60564 KB |
Output isn't correct |
| 97 |
Incorrect |
217 ms |
73112 KB |
Output isn't correct |
| 98 |
Incorrect |
224 ms |
60460 KB |
Output isn't correct |
| 99 |
Incorrect |
209 ms |
66572 KB |
Output isn't correct |
| 100 |
Incorrect |
217 ms |
72064 KB |
Output isn't correct |
