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답안 #170255

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
170255 2019-12-24T11:47:09 Z nvmdava Bomb (IZhO17_bomb) C++17
40 / 100
 405 ms 52016 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];

int h[2505], w[2505];

vector<pair<int, int> > v;


int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    memset(h, 0x3f, sizeof h);
    memset(w, 0x3f, sizeof w);
    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]);
        }
    }
    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]){
                v.back().ss += t;
                h[v.back().ff] = min(h[v.back().ff], v.back().ss);
                t = v.back().ss;
                v.pop_back();
                if(v.back().ff > up[i][j]){
                    h[v.back().ff + 1] = min(h[v.back().ff + 1], t);
                }
            }
            if(v.back().ff == up[i][j]){
                v.back().ss += 1 + t;
            } else {
                v.push_back({up[i][j], 1 + t});
            }
            if(t)h[v.back().ff + 1] = min(h[v.back().ff + 1], t);
        }
    }

    int ans = 0;

    for(int i = 1; i <= mx; ++i){
        h[i] = min(h[i - 1], h[i]);
        ans = max(ans, h[i] * i);
    }
    cout<<ans;
}

Subtask #1
40.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 17 ms 20472 KB Output is correct
4 Correct 17 ms 20472 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 376 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Incorrect 2 ms 504 KB Output isn't correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 508 KB Output is correct
17 Incorrect 2 ms 888 KB Output isn't correct
18 Correct 3 ms 1016 KB Output is correct
19 Correct 3 ms 1272 KB Output is correct
20 Incorrect 3 ms 1272 KB Output isn't correct
21 Correct 2 ms 888 KB Output is correct
22 Correct 3 ms 1016 KB Output is correct
23 Incorrect 3 ms 1272 KB Output isn't correct
24 Incorrect 3 ms 1016 KB Output isn't correct
25 Incorrect 3 ms 1272 KB Output isn't correct
26 Incorrect 3 ms 1272 KB Output isn't correct
27 Correct 7 ms 3448 KB Output is correct
28 Correct 7 ms 3704 KB Output is correct
29 Incorrect 9 ms 4600 KB Output isn't correct
30 Incorrect 10 ms 5448 KB Output isn't correct
31 Incorrect 8 ms 4344 KB Output isn't correct
32 Incorrect 9 ms 4984 KB Output isn't correct
33 Incorrect 10 ms 5752 KB Output isn't correct
34 Correct 6 ms 3960 KB Output is correct
35 Incorrect 11 ms 5752 KB Output isn't correct
36 Incorrect 11 ms 5752 KB Output isn't correct
37 Incorrect 2 ms 504 KB Output isn't correct
38 Correct 332 ms 51856 KB Output is correct
39 Incorrect 2 ms 504 KB Output isn't correct
40 Incorrect 35 ms 14200 KB Output isn't correct
41 Incorrect 2 ms 504 KB Output isn't correct
42 Incorrect 3 ms 1272 KB Output isn't correct
43 Correct 355 ms 52000 KB Output is correct
44 Incorrect 11 ms 5752 KB Output isn't correct
45 Incorrect 349 ms 51884 KB Output isn't correct
46 Correct 336 ms 51832 KB Output is correct
47 Incorrect 351 ms 51960 KB Output isn't correct
48 Incorrect 328 ms 51892 KB Output isn't correct
49 Correct 338 ms 51960 KB Output is correct
50 Incorrect 337 ms 51832 KB Output isn't correct
51 Incorrect 331 ms 51960 KB Output isn't correct
52 Incorrect 356 ms 51960 KB Output isn't correct
53 Incorrect 334 ms 51832 KB Output isn't correct
54 Correct 334 ms 52016 KB Output is correct
55 Correct 327 ms 51976 KB Output is correct
56 Correct 338 ms 51916 KB Output is correct
57 Correct 331 ms 51832 KB Output is correct
58 Correct 329 ms 51804 KB Output is correct
59 Correct 338 ms 51844 KB Output is correct
60 Correct 333 ms 51916 KB Output is correct
61 Correct 337 ms 51836 KB Output is correct
62 Correct 330 ms 51844 KB Output is correct
63 Correct 335 ms 51832 KB Output is correct
64 Correct 325 ms 51832 KB Output is correct
65 Incorrect 350 ms 51860 KB Output isn't correct
66 Incorrect 337 ms 51792 KB Output isn't correct
67 Incorrect 334 ms 51876 KB Output isn't correct
68 Incorrect 338 ms 51936 KB Output isn't correct
69 Correct 330 ms 51960 KB Output is correct
70 Incorrect 212 ms 40824 KB Output isn't correct
71 Incorrect 327 ms 51996 KB Output isn't correct
72 Incorrect 342 ms 51832 KB Output isn't correct
73 Incorrect 332 ms 51960 KB Output isn't correct
74 Incorrect 331 ms 51960 KB Output isn't correct
75 Incorrect 336 ms 51832 KB Output isn't correct
76 Incorrect 334 ms 51512 KB Output isn't correct
77 Incorrect 332 ms 51192 KB Output isn't correct
78 Incorrect 332 ms 50460 KB Output isn't correct
79 Incorrect 327 ms 50472 KB Output isn't correct
80 Incorrect 330 ms 50456 KB Output isn't correct
81 Incorrect 326 ms 50936 KB Output isn't correct
82 Incorrect 343 ms 50736 KB Output isn't correct
83 Incorrect 325 ms 51320 KB Output isn't correct
84 Incorrect 324 ms 51316 KB Output isn't correct
85 Incorrect 333 ms 50296 KB Output isn't correct
86 Correct 328 ms 50936 KB Output is correct
87 Correct 324 ms 50788 KB Output is correct
88 Incorrect 326 ms 51144 KB Output isn't correct
89 Incorrect 323 ms 50552 KB Output isn't correct
90 Incorrect 205 ms 40568 KB Output isn't correct
91 Incorrect 330 ms 50628 KB Output isn't correct
92 Incorrect 340 ms 50680 KB Output isn't correct
93 Incorrect 331 ms 50552 KB Output isn't correct
94 Incorrect 323 ms 50056 KB Output isn't correct
95 Incorrect 335 ms 50168 KB Output isn't correct
96 Incorrect 324 ms 50468 KB Output isn't correct
97 Incorrect 405 ms 50436 KB Output isn't correct
98 Incorrect 333 ms 50424 KB Output isn't correct
99 Incorrect 320 ms 50240 KB Output isn't correct
100 Incorrect 322 ms 50296 KB Output isn't correct