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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#672422 | #7900. Gifts from Knowledge | xh_team# | RE | 7ms | 28116kb | C++14 | 2.1kb | 2024-10-24 16:47:11 | 2024-10-24 16:47:11 |
Judging History
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;
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) {
cout<<0<<'\n';
return ;
}
for(int j=0;j<m;j++){
int p=s[j]-'0';
// cout<<p<<'\n';
if(p){
v1[j+1].push_back(i);
}
}
}
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;
}
詳細信息
Test #1:
score: 100
Accepted
time: 4ms
memory: 27936kb
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: 7ms
memory: 28116kb
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: -100
Runtime Error
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...