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NOI.AC

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#189197#3320. 矩形(square)joy201011009347ms498344kbC++111.1kb2023-10-04 09:01:512023-10-04 12:55:44

answer

#include<bits/stdc++.h>
using namespace std;
int n,m,a[505][505],cnt[505][505][505],l,r,mid,ans[505][505],tmp;
bool check(int x1,int y1,int p){
	int x2=x1+p-1,y2=y1+p-1,res=0;
	for(int i=1;i<=n;i++)
		if(cnt[x2][y2][i]-cnt[x2][y1-1][i]-cnt[x1-1][y2][i]+cnt[x1-1][y1-1][i])
			res++;
//	cout<<x1<<' '<<y1<<' '<<x2<<' '<<y2<<' '<<p<<' '<<res<<' '<<"boom"<<endl;
	return res<=m;
}
int main(){
//	freopen("ex_square.in","r",stdin);
//	freopen("ex_square.out","w",stdout);
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			scanf("%d",&a[i][j]);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			for(int k=1;k<=n;k++)
				cnt[i][j][k]=cnt[i-1][j][k]+cnt[i][j-1][k]-cnt[i-1][j-1][k]+(a[i][j]==k);
	for(int i=n;i>=1;i--){
		for(int j=n;j>=1;j--){
			l=1,r=min({n-i+1,n-j+1,ans[i+1][j+1]+1}),tmp=0;
			while(l<=r){
				mid=l+r>>1;
				if(check(i,j,mid))
					tmp=mid,l=mid+1;
				else
					r=mid-1;
			}
//			printf("%d ",tmp);
			ans[i][j]=tmp;
		}
//		puts("");
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++)
			printf("%d ",ans[i][j]);
		puts("");
	}
	return 0;
}

Details

小提示:点击横条可展开更详细的信息

Test #1:

score: 10
Accepted
time: 5ms
memory: 8252kb

input:

50 12
8 1 9 3 12 10 2 3 5 3 8 6 2 3 11 6 7 3 2 8 10 3 7 11 2 1 10 4 10 5 9 8 5 4 11 5 2 5 11 10 7 5 ...

output:

12 11 10 9 8 7 6 5 4 4 5 5 5 12 12 12 12 12 12 12 12 12 12 12 18 18 17 16 15 14 13 12 11 10 10 10 10...

result:

ok 50 lines

Test #2:

score: 10
Accepted
time: 0ms
memory: 8252kb

input:

50 14
3 13 9 2 14 12 3 13 6 13 7 12 3 10 13 4 12 4 10 9 8 6 1 14 9 13 2 6 1 2 3 13 11 4 2 6 10 5 14 ...

output:

7 7 18 17 16 15 14 13 12 11 10 9 8 7 7 7 7 6 5 6 5 18 17 16 15 14 13 12 12 12 12 12 12 12 12 12 12 1...

result:

ok 50 lines

Test #3:

score: 10
Accepted
time: 0ms
memory: 8252kb

input:

50 17
17 8 14 12 2 7 17 3 11 5 8 15 11 4 3 15 13 12 6 5 9 3 9 8 7 13 3 7 7 13 16 6 10 17 16 7 6 5 3 ...

output:

19 19 19 19 19 19 19 18 17 16 15 14 13 12 11 10 9 8 7 6 6 6 8 8 8 7 12 12 12 11 10 9 8 7 6 7 9 9 9 8...

result:

ok 50 lines

Test #4:

score: 10
Accepted
time: 1292ms
memory: 498344kb

input:

500 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 3 3 3 29 29 29 29 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15...

result:

ok 500 lines

Test #5:

score: 10
Accepted
time: 1671ms
memory: 498340kb

input:

500 2
2 1 1 1 1 1 1 2 1 2 1 1 2 2 1 2 2 2 1 1 2 1 2 1 1 2 1 2 2 2 2 1 1 2 2 2 2 1 2 2 1 2 1 1 1 1 2 ...

output:

500 499 498 497 496 495 494 493 492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 476 ...

result:

ok 500 lines

Test #6:

score: 10
Accepted
time: 1248ms
memory: 498340kb

input:

500 2
2 1 2 1 1 1 1 2 1 1 1 1 1 2 2 1 1 1 2 2 1 2 2 1 2 1 1 1 2 1 2 2 2 1 1 2 2 2 1 1 1 2 1 2 1 1 2 ...

output:

13 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 47 47 47 47 47 47 47 47 47 46 45 44 43 42 41 4...

result:

ok 500 lines

Test #7:

score: 10
Accepted
time: 1233ms
memory: 498344kb

input:

500 2
1 1 2 2 2 1 2 1 2 2 1 2 1 2 2 2 2 1 1 1 1 1 1 2 1 1 1 1 1 2 2 1 2 2 2 2 1 1 2 1 2 2 1 2 2 2 2 ...

output:

49 49 49 49 49 49 49 49 49 49 49 49 49 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 2...

result:

ok 500 lines

Test #8:

score: 10
Accepted
time: 1225ms
memory: 498344kb

input:

500 162
11 100 62 113 44 157 79 78 156 9 78 50 149 145 54 72 138 145 5 55 51 129 37 114 95 3 63 5 21...

output:

29 29 29 28 28 27 26 28 28 29 29 29 29 29 29 28 27 26 25 24 24 24 25 26 26 25 25 25 27 26 25 25 29 2...

result:

ok 500 lines

Test #9:

score: 10
Accepted
time: 1340ms
memory: 498340kb

input:

500 171
23 35 15 28 60 69 4 90 37 165 8 163 129 20 87 61 115 39 135 78 55 96 21 118 165 23 145 21 16...

output:

30 29 28 27 27 31 30 29 28 27 27 27 27 28 27 26 28 29 28 27 29 30 29 28 27 30 29 33 32 31 30 29 28 3...

result:

ok 500 lines

Test #10:

score: 10
Accepted
time: 1333ms
memory: 498340kb

input:

500 168
141 99 128 16 72 106 42 137 15 57 113 3 17 116 13 91 147 104 55 125 32 46 85 51 103 15 156 7...

output:

28 28 28 28 31 31 31 31 31 30 29 28 27 27 27 27 29 29 29 29 29 30 29 29 29 29 29 29 29 29 29 29 28 2...

result:

ok 500 lines

Extra Test:

score: 0
Extra Test Passed