# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
170283 |
2019-12-24T13:02:42 Z |
nvmdava |
Bomb (IZhO17_bomb) |
C++17 |
|
376 ms |
79788 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define INF 0x3f3f3f3f
#define MOD 1000000007
#define N 2505
int a[N][N];
int up[N][N], le[N][N];
vector<pair<int, int> > v;
int ans[N][N], h[N];
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m;
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';
}
}
int mx= 2500;
for(int i = 1; i <= m; ++i){
for(int j = 1; j <= n; ++j){
if(a[j][i] == 0) up[j][i] = 0;
else up[j][i] = up[j - 1][i] + 1;
if(a[j + 1][i] == 0 && a[j][i] == 1)mx = min(mx, up[j][i]);
}
}
memset(ans, 0x3f, sizeof ans);
memset(h, 0x3f, sizeof h);
v.push_back({0, 0});
for(int i = 1; i <= n; ++i){
for(int j = 1; j <= m + 1; ++j){
int t = 0;
while(v.back().ff > up[i][j]){
t += v.back().ss;
v.pop_back();
ans[max(up[i][j], v.back().ff) + 1][i] = min(ans[max(up[i][j], v.back().ff) + 1][i], t);
}
if(v.back().ff == up[i][j]){
v.back().ss += 1 + t;
} else {
v.push_back({up[i][j], 1 + t});
}
}
}
int res = 0;
for(int i = 1; i <= mx; ++i){
for(int j = i; j <= n; j++){
h[i] = min(h[i], ans[i][j]);
ans[i + 1][j] = min(ans[i + 1][j], ans[i][j]);
}
res = max(res, h[i] * i);
}
cout<<res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
22 ms |
24952 KB |
Output is correct |
2 |
Correct |
22 ms |
25080 KB |
Output is correct |
3 |
Correct |
39 ms |
45048 KB |
Output is correct |
4 |
Correct |
39 ms |
45036 KB |
Output is correct |
5 |
Correct |
23 ms |
24952 KB |
Output is correct |
6 |
Correct |
22 ms |
24952 KB |
Output is correct |
7 |
Correct |
22 ms |
24952 KB |
Output is correct |
8 |
Correct |
23 ms |
25080 KB |
Output is correct |
9 |
Incorrect |
22 ms |
25080 KB |
Output isn't correct |
10 |
Correct |
22 ms |
25080 KB |
Output is correct |
11 |
Correct |
22 ms |
25080 KB |
Output is correct |
12 |
Correct |
22 ms |
25080 KB |
Output is correct |
13 |
Correct |
23 ms |
25084 KB |
Output is correct |
14 |
Correct |
23 ms |
25080 KB |
Output is correct |
15 |
Correct |
23 ms |
25080 KB |
Output is correct |
16 |
Correct |
22 ms |
25080 KB |
Output is correct |
17 |
Incorrect |
23 ms |
25464 KB |
Output isn't correct |
18 |
Correct |
23 ms |
25596 KB |
Output is correct |
19 |
Correct |
23 ms |
25720 KB |
Output is correct |
20 |
Incorrect |
23 ms |
25720 KB |
Output isn't correct |
21 |
Correct |
23 ms |
25336 KB |
Output is correct |
22 |
Correct |
23 ms |
25592 KB |
Output is correct |
23 |
Incorrect |
23 ms |
25848 KB |
Output isn't correct |
24 |
Incorrect |
24 ms |
25592 KB |
Output isn't correct |
25 |
Incorrect |
23 ms |
25848 KB |
Output isn't correct |
26 |
Incorrect |
23 ms |
25848 KB |
Output isn't correct |
27 |
Correct |
27 ms |
28028 KB |
Output is correct |
28 |
Correct |
27 ms |
28280 KB |
Output is correct |
29 |
Incorrect |
28 ms |
29176 KB |
Output isn't correct |
30 |
Incorrect |
30 ms |
30072 KB |
Output isn't correct |
31 |
Incorrect |
29 ms |
28920 KB |
Output isn't correct |
32 |
Incorrect |
29 ms |
29560 KB |
Output isn't correct |
33 |
Incorrect |
31 ms |
30328 KB |
Output isn't correct |
34 |
Correct |
27 ms |
28536 KB |
Output is correct |
35 |
Incorrect |
31 ms |
30332 KB |
Output isn't correct |
36 |
Incorrect |
35 ms |
30328 KB |
Output isn't correct |
37 |
Incorrect |
22 ms |
25080 KB |
Output isn't correct |
38 |
Correct |
351 ms |
78204 KB |
Output is correct |
39 |
Incorrect |
23 ms |
25080 KB |
Output isn't correct |
40 |
Incorrect |
57 ms |
38772 KB |
Output isn't correct |
41 |
Incorrect |
23 ms |
25080 KB |
Output isn't correct |
42 |
Incorrect |
23 ms |
25848 KB |
Output isn't correct |
43 |
Correct |
376 ms |
78160 KB |
Output is correct |
44 |
Incorrect |
32 ms |
30328 KB |
Output isn't correct |
45 |
Incorrect |
376 ms |
78328 KB |
Output isn't correct |
46 |
Correct |
348 ms |
78288 KB |
Output is correct |
47 |
Incorrect |
373 ms |
78200 KB |
Output isn't correct |
48 |
Incorrect |
356 ms |
78260 KB |
Output isn't correct |
49 |
Correct |
372 ms |
78232 KB |
Output is correct |
50 |
Incorrect |
352 ms |
78392 KB |
Output isn't correct |
51 |
Incorrect |
368 ms |
78396 KB |
Output isn't correct |
52 |
Incorrect |
351 ms |
78236 KB |
Output isn't correct |
53 |
Incorrect |
349 ms |
78264 KB |
Output isn't correct |
54 |
Correct |
354 ms |
78248 KB |
Output is correct |
55 |
Correct |
353 ms |
78328 KB |
Output is correct |
56 |
Correct |
365 ms |
78192 KB |
Output is correct |
57 |
Correct |
345 ms |
78200 KB |
Output is correct |
58 |
Correct |
351 ms |
78504 KB |
Output is correct |
59 |
Correct |
344 ms |
78216 KB |
Output is correct |
60 |
Correct |
345 ms |
78208 KB |
Output is correct |
61 |
Correct |
348 ms |
78328 KB |
Output is correct |
62 |
Correct |
352 ms |
78300 KB |
Output is correct |
63 |
Correct |
355 ms |
78208 KB |
Output is correct |
64 |
Correct |
366 ms |
78260 KB |
Output is correct |
65 |
Incorrect |
354 ms |
78232 KB |
Output isn't correct |
66 |
Incorrect |
350 ms |
78324 KB |
Output isn't correct |
67 |
Incorrect |
355 ms |
78156 KB |
Output isn't correct |
68 |
Incorrect |
358 ms |
78328 KB |
Output isn't correct |
69 |
Correct |
344 ms |
78200 KB |
Output is correct |
70 |
Incorrect |
229 ms |
67704 KB |
Output isn't correct |
71 |
Incorrect |
350 ms |
78152 KB |
Output isn't correct |
72 |
Incorrect |
352 ms |
78328 KB |
Output isn't correct |
73 |
Incorrect |
353 ms |
78456 KB |
Output isn't correct |
74 |
Incorrect |
352 ms |
78472 KB |
Output isn't correct |
75 |
Incorrect |
348 ms |
78376 KB |
Output isn't correct |
76 |
Incorrect |
363 ms |
78448 KB |
Output isn't correct |
77 |
Incorrect |
351 ms |
79060 KB |
Output isn't correct |
78 |
Incorrect |
358 ms |
79224 KB |
Output isn't correct |
79 |
Incorrect |
349 ms |
79072 KB |
Output isn't correct |
80 |
Incorrect |
348 ms |
79352 KB |
Output isn't correct |
81 |
Incorrect |
348 ms |
79788 KB |
Output isn't correct |
82 |
Incorrect |
360 ms |
79408 KB |
Output isn't correct |
83 |
Incorrect |
349 ms |
79024 KB |
Output isn't correct |
84 |
Incorrect |
356 ms |
78684 KB |
Output isn't correct |
85 |
Incorrect |
346 ms |
78244 KB |
Output isn't correct |
86 |
Correct |
347 ms |
78200 KB |
Output is correct |
87 |
Correct |
348 ms |
77972 KB |
Output is correct |
88 |
Incorrect |
353 ms |
77816 KB |
Output isn't correct |
89 |
Incorrect |
358 ms |
77720 KB |
Output isn't correct |
90 |
Incorrect |
236 ms |
66560 KB |
Output isn't correct |
91 |
Incorrect |
347 ms |
77944 KB |
Output isn't correct |
92 |
Incorrect |
355 ms |
78200 KB |
Output isn't correct |
93 |
Incorrect |
346 ms |
77992 KB |
Output isn't correct |
94 |
Incorrect |
345 ms |
77936 KB |
Output isn't correct |
95 |
Incorrect |
350 ms |
78032 KB |
Output isn't correct |
96 |
Incorrect |
349 ms |
78272 KB |
Output isn't correct |
97 |
Incorrect |
359 ms |
78164 KB |
Output isn't correct |
98 |
Incorrect |
353 ms |
78328 KB |
Output isn't correct |
99 |
Incorrect |
350 ms |
78200 KB |
Output isn't correct |
100 |
Incorrect |
350 ms |
78200 KB |
Output isn't correct |