oj.uz

답안 #832223

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
832223 2023-08-21T07:01:20 Z vjudge1 Bomb (IZhO17_bomb) C++14
24 / 100
 130 ms 55536 KB 
#include<bits/stdc++.h>

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;

#define ll long long
#define rep(i,n,N) for(int i = n; i<=N; ++i)
#define rap(i,n,N) for(int i = n; i>=N; --i)
#define For(i,n,N) for(int i = n; i< N; ++i)
#define endl '\n'
#define pb push_back
#define all(x) x.begin(),x.end()
#define mems(x,y) memset(x,y,sizeof x)
#define ari(x) array<int,x>
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fi first
#define se second
const int MAX = 2500 + 5;
mt19937 rng(99);

int n,m,mnr,mnc,cnt,y[MAX][MAX],z[MAX][MAX];
char c;
bool x[MAX][MAX];

inline bool cek(int r,int c,int dr,int dc){
	return y[r][c] - y[r-dr][c] - y[r][c-dc] + y[r-dr][c-dc] == dr*dc;
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cin>>n>>m;
	mnr = n, mnc = m;
	rep(i,1,n){
		rep(j,1,m){
			cin>>c;
			x[i][j] = c=='1';
			y[i][j] = y[i-1][j]+y[i][j-1]-y[i-1][j-1]+x[i][j];
			if(x[i][j])++cnt;
			else if(cnt)mnc = min(mnc, cnt), cnt = 0;
		}
		if(cnt)mnc = min(mnc, cnt), cnt = 0;
	}
	rep(j,1,m){
		rep(i,1,n){
			if(x[i][j])++cnt;
			else if(cnt)mnr = min(mnr, cnt), cnt = 0;
		}
		if(cnt)mnr = min(mnr, cnt), cnt = 0;
	}
	rep(i,mnr,n)rep(j,mnc,m)if(x[i][j] && cek(i,j,mnr,mnc)){
		z[i][j]++;
		z[i-mnr][j]--;
		z[i][j-mnc]--;
		z[i-mnr][j-mnc]++;
	}
	rap(i,n,1)rap(j,m,1)z[i][j]+= z[i+1][j]+z[i][j+1]-z[i+1][j+1];
	rep(i,1,n){
//		if(i==1)cout<<"--------------\n";
//		rep(j,1,m)cout<<z[i][j];
//		cout<<endl;
		rep(j,1,m){
			if((!!z[i][j])!=x[i][j]){
				assert(x[i][j]);
			}
		}
	}
	cout<<mnr*mnc<<endl;
	return 0;
}

Subtask #1
24.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 11 ms 26508 KB Output is correct
4 Correct 11 ms 26452 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Incorrect 1 ms 468 KB Output isn't correct
9 Incorrect 0 ms 468 KB Output isn't correct
10 Incorrect 0 ms 468 KB Output isn't correct
11 Incorrect 0 ms 468 KB Output isn't correct
12 Incorrect 1 ms 468 KB Output isn't correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Incorrect 1 ms 468 KB Output isn't correct
16 Correct 0 ms 468 KB Output is correct
17 Correct 1 ms 980 KB Output is correct
18 Incorrect 1 ms 1108 KB Output isn't correct
19 Incorrect 1 ms 1364 KB Output isn't correct
20 Incorrect 1 ms 1364 KB Output isn't correct
21 Incorrect 1 ms 852 KB Output isn't correct
22 Incorrect 1 ms 1108 KB Output isn't correct
23 Incorrect 1 ms 1364 KB Output isn't correct
24 Incorrect 1 ms 1236 KB Output isn't correct
25 Incorrect 1 ms 1364 KB Output isn't correct
26 Correct 1 ms 1364 KB Output is correct
27 Correct 3 ms 4052 KB Output is correct
28 Incorrect 3 ms 4180 KB Output isn't correct
29 Incorrect 6 ms 5332 KB Output isn't correct
30 Incorrect 5 ms 6228 KB Output isn't correct
31 Incorrect 4 ms 4948 KB Output isn't correct
32 Incorrect 5 ms 5716 KB Output isn't correct
33 Incorrect 5 ms 6612 KB Output isn't correct
34 Incorrect 3 ms 4692 KB Output isn't correct
35 Incorrect 6 ms 6612 KB Output isn't correct
36 Correct 6 ms 6612 KB Output is correct
37 Incorrect 1 ms 468 KB Output isn't correct
38 Correct 103 ms 55536 KB Output is correct
39 Incorrect 0 ms 468 KB Output isn't correct
40 Incorrect 17 ms 15408 KB Output isn't correct
41 Incorrect 0 ms 468 KB Output isn't correct
42 Incorrect 1 ms 1364 KB Output isn't correct
43 Correct 104 ms 55372 KB Output is correct
44 Incorrect 5 ms 6612 KB Output isn't correct
45 Incorrect 101 ms 55468 KB Output isn't correct
46 Correct 112 ms 55372 KB Output is correct
47 Incorrect 108 ms 55488 KB Output isn't correct
48 Incorrect 114 ms 55404 KB Output isn't correct
49 Correct 107 ms 55388 KB Output is correct
50 Incorrect 104 ms 55480 KB Output isn't correct
51 Incorrect 105 ms 55480 KB Output isn't correct
52 Incorrect 105 ms 55416 KB Output isn't correct
53 Incorrect 106 ms 55368 KB Output isn't correct
54 Incorrect 107 ms 55372 KB Output isn't correct
55 Incorrect 107 ms 55372 KB Output isn't correct
56 Correct 102 ms 55392 KB Output is correct
57 Incorrect 105 ms 55372 KB Output isn't correct
58 Incorrect 107 ms 55372 KB Output isn't correct
59 Incorrect 130 ms 55380 KB Output isn't correct
60 Correct 104 ms 55372 KB Output is correct
61 Correct 107 ms 55372 KB Output is correct
62 Correct 110 ms 55460 KB Output is correct
63 Correct 100 ms 55364 KB Output is correct
64 Correct 102 ms 55432 KB Output is correct
65 Incorrect 104 ms 55440 KB Output isn't correct
66 Incorrect 120 ms 55500 KB Output isn't correct
67 Incorrect 106 ms 55448 KB Output isn't correct
68 Incorrect 106 ms 55392 KB Output isn't correct
69 Incorrect 108 ms 55372 KB Output isn't correct
70 Incorrect 73 ms 44368 KB Output isn't correct
71 Incorrect 103 ms 55432 KB Output isn't correct
72 Incorrect 102 ms 55396 KB Output isn't correct
73 Incorrect 102 ms 55356 KB Output isn't correct
74 Incorrect 104 ms 55360 KB Output isn't correct
75 Incorrect 102 ms 55384 KB Output isn't correct
76 Incorrect 105 ms 55360 KB Output isn't correct
77 Incorrect 109 ms 55444 KB Output isn't correct
78 Incorrect 102 ms 55448 KB Output isn't correct
79 Incorrect 103 ms 55348 KB Output isn't correct
80 Incorrect 103 ms 55440 KB Output isn't correct
81 Incorrect 105 ms 55372 KB Output isn't correct
82 Incorrect 111 ms 55384 KB Output isn't correct
83 Incorrect 105 ms 55408 KB Output isn't correct
84 Incorrect 103 ms 55448 KB Output isn't correct
85 Incorrect 103 ms 55372 KB Output isn't correct
86 Incorrect 105 ms 55360 KB Output isn't correct
87 Incorrect 107 ms 55404 KB Output isn't correct
88 Incorrect 102 ms 55372 KB Output isn't correct
89 Incorrect 105 ms 55452 KB Output isn't correct
90 Incorrect 74 ms 44360 KB Output isn't correct
91 Incorrect 101 ms 55404 KB Output isn't correct
92 Incorrect 104 ms 55468 KB Output isn't correct
93 Incorrect 116 ms 55436 KB Output isn't correct
94 Incorrect 108 ms 55376 KB Output isn't correct
95 Incorrect 110 ms 55424 KB Output isn't correct
96 Incorrect 104 ms 55416 KB Output isn't correct
97 Incorrect 112 ms 55352 KB Output isn't correct
98 Incorrect 105 ms 55396 KB Output isn't correct
99 Incorrect 104 ms 55372 KB Output isn't correct
100 Incorrect 105 ms 55360 KB Output isn't correct