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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#672451#7900. Gifts from Knowledgexh_team#WA 18ms29328kbC++142.2kb2024-10-24 16:52:152024-10-24 16:52:17

Judging History

你现在查看的是最新测评结果

  • [2024-10-24 16:52:17]
  • 评测
  • 测评结果:WA
  • 用时:18ms
  • 内存:29328kb
  • [2024-10-24 16:52:15]
  • 提交

answer

#define TLE ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#ifndef ONLINE_JUDGE
#include "../template/debug.h"
#else 
#define dbg(...) ;
#endif
using ll =long long;
#define int ll
#define inf 0x3f3f3f3f
#define LINF 0x3f3f3f3f3f3f3f3f
#define rep(i,a,n) for (int i=a;i<=n;i++)
#define per(i,n,a) for (int i=n;i>=a;i--)
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
#define pb push_back
typedef pair<int,int> PII;
const int mod=1e9+7;
// const int mod=998244353;
typedef double db;
mt19937 rnd(time(0));
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
const int N = 1e6+5;
vector<int >v1[N];
int n,m;
int fa[N];
int find(int x){
	if(x==fa[x]) return x;
	return fa[x]=find(fa[x]);
}
void solve(){
	cin>>n>>m;
	int ff=1;
	for(int i=1;i<=n;i++){
		string s;
		cin>>s;
		// cout<<s<<'\n';
		int flag=1;
		for(int j=0;j<m;j++){
			int p=s[j]-'0';
			if(p){
				if(v1[j+1].empty()) continue;
				flag=0;
			}
		}
		if(!flag){
			reverse(s.begin(),s.end());
			flag=1;
			for(int j=0;j<m;j++){
				int p=s[j]-'0';
				if(p){
					if(v1[j+1].empty()) continue;
					flag=0;
				}
			}
		}
		if(!flag) {
			ff=0;
			// return ;
		}
		if(ff==0) continue;
		for(int j=0;j<m;j++){
			int p=s[j]-'0';
			// cout<<p<<'\n';
			if(p){
				v1[j+1].push_back(i);
			}
		}
	}
	if(!ff) {
		cout<<0<<'\n';
		return ;
	}
	for(int i=1;i<=n;i++){
		fa[i]=i;
	}
	for(int i=1;i<=m;i++){
		if(v1[i].empty()) continue;
		int x,y;
		if(v1[i].size()==1){
			x=v1[i][0];
			if(v1[m-i+1].size()==1){
				y=v1[m-i+1][0];
			}
			else{
				continue;
			}
		}
		else{
			x=v1[i][0];
			y=v1[i][1];
		}
		// cout<<x<<' '<<y<<'\n';
		int u=find(x);
		int v=find(y);
		if(u!=v){
			fa[u]=v;
		}
	}
	int ans=1;
	for(int i=1;i<=n;i++) {
		if(i==find(i)) {
			ans*=2;
			ans%=mod;
		}
	}
	cout<<ans<<'\n';
}
void clear(){
	for(int i=1;i<=m;i++) v1[i].clear();
}
signed main(){
	TLE;
	int t;
	cin>>t;
	while(t--){
		solve();
		clear();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 27228kb

input:

3
3 5
01100
10001
00010
2 1
1
1
2 3
001
001

output:

4
0
2

result:

ok 3 number(s): "4 0 2"

Test #2:

score: 0
Accepted
time: 11ms
memory: 29328kb

input:

15613
10 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
15 8
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
1 5
00000
5 9
000000000
000000000
0000...

output:

1024
32768
2
32
32768
128
32
16
16
2
16384
16384
128
128
32768
8192
128
64
16384
2
4
2
4096
16
4096
1024
32768
32768
16384
8
128
2
16
4096
8192
32768
8192
8192
16
16384
16384
256
128
8
256
8
4096
512
2
4
32
32
2
64
512
1024
32768
32768
2
64
16384
16
8192
16
256
16
64
8192
8192
64
1024
2
32768
2
4
51...

result:

ok 15613 numbers

Test #3:

score: 0
Accepted
time: 12ms
memory: 27536kb

input:

15759
9 6
000000
000000
000000
000000
000000
000000
000000
000000
000000
5 15
010000000000000
000000000000000
000000000000000
000100000000000
000100000000000
14 12
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000...

output:

512
16
16384
512
1024
4096
32768
4
2
512
512
512
512
8
2
256
16
4096
512
64
16
4096
512
32
32768
8192
32
2048
128
16
4096
64
32768
256
32
16384
8
512
32
2048
8
16
1024
2048
128
64
32
8
512
8
8192
256
8192
32768
2
8
512
512
256
32
2
2048
8192
8
64
8
2
16384
32768
32768
1024
4096
16384
16384
128
256
4...

result:

ok 15759 numbers

Test #4:

score: -100
Wrong Answer
time: 18ms
memory: 27104kb

input:

15734
3 6
000101
010000
001110
5 7
0010010
1000000
0101000
0000000
0000000
10 9
000000000
100000000
000000000
000000000
000010000
000000001
000000000
000000000
000000000
000000000
5 14
10000000000000
00001001000000
00000100000000
00000000000000
00000100000000
5 14
00000000000000
00010000000100
00000...

output:

0
16
512
16
32
4096
0
256
0
0
0
0
4096
8
1024
128
8192
0
128
0
2
0
0
32
64
0
0
0
4096
64
8
8
32
128
64
4096
2
512
16384
4
2
0
0
32
0
4096
8
0
8192
256
256
64
0
32
0
32
0
256
4
16384
1024
4
0
16
256
0
2048
64
8
0
0
32768
2048
512
2048
2
0
8192
0
2
2048
16
512
256
1024
0
0
2
32
512
16384
0
32
1024
102...

result:

wrong answer 102nd numbers differ - expected: '64', found: '0'