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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#153655#5438. Half Mixedorganput#WA 115ms3856kbC++142.3kb2023-08-30 17:02:432023-08-30 17:02:43

Judging History

你现在查看的是最新测评结果

  • [2023-08-30 17:02:43]
  • 评测
  • 测评结果:WA
  • 用时:115ms
  • 内存:3856kb
  • [2023-08-30 17:02:43]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define fo(x,a,b) for(int x=a;x<=b;x++)
#define of(x,a,b) for(int x=a;x>=b;x--)
#define close(); std::ios::sync_with_stdio(false);cin.tie(0),cout.tie(0);
#define PI acos(-1)
#define pb push_back
#define INF 0x3f3f3f3f
#define lowbit(a) ((a)&-(a))
#define lbit(a) (__builtin_ffsll(a))
#define ubit(a) (64-__builtin_clzll(a))
#define fi first
#define se second
bool isprime(ll x){
    if(x==1)return false;
    for(ll i=2;i<=x/i;i++){
        if(x%i==0)return false;
    }
    return true;
}
ll popcnt(ll x){
    ll cnt=0;
    while(x){
        if(x&1)cnt++;
        x>>=1;
    }
    return cnt;
}
ll qmi(ll a,ll b,ll p){
    a%=p;
    ll res=1;
    while(b){
        if(b&1)res=res*a%p;
        a=a*a%p;
        b>>=1;
    }
    return res;
}
ll exgcd(ll a,ll b,ll &x,ll &y){
    if(!b){
        x=1,y=0;
        return a;
    }
    ll d=exgcd(b,a%b,y,x);
    y-=a/b*x;
    return d;
}
const int N=2e5+10;
const int mod=1e9+7;
ll fact[N],in_fact[N];
ll C(ll n,ll m) {
    if (n < m || m < 0)return 0;
    return fact[n] * qmi(fact[m] * fact[n - m] % mod, mod - 2, mod) % mod;
}
//ll C(ll n,ll m){
//    if (n < m || m < 0)return 0;
//    return fact[n]%mod*in_fact[m]%mod*in_fact[n-m]%mod;
//}

ll n,m;


string check(ll x,ll y){
    int cnt=1;
    ll res=(x*x+x)/4-x;
    string s="1";
    fo(i,0,x-1){
        if(res>=(cnt*cnt+cnt)/2 && cnt<=y){
            s.push_back(s.back());
            res-=cnt;
            cnt++;
        }
        else{
            if(s.back()=='0') s.push_back('1');
            else s.push_back('0');
            cnt=1;
            //cout<<s<<endl;
        }
    }
    return s;
}

void sol(){
    cin>>n>>m;
    if((m*m+m)%4==0){
        string s=check(m,n);
        cout<<"Yes"<<endl;
        fo(i,0,n-1){
            fo(j,0,m-1){
                cout<<s[j]<<' ';
            }
            cout<<endl;
        }
    }
    else if((n*n+n)%4==0){
        string s=check(n,m);
        cout<<"Yes"<<endl;
        fo(i,0,n-1){
            fo(j,0,m-1){
                cout<<s[i]<<' ';
            }
            cout<<endl;
        }
    }
    else{
        cout<<"No"<<endl;
    }
}

int main(){
    close();
    int t=1;
    cin>>t;
    while(t--){
        sol();
    }
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3856kb

input:

2
2 3
1 1

output:

Yes
1 0 1 
1 0 1 
No

result:

ok OK, Accepted. (2 test cases)

Test #2:

score: -100
Wrong Answer
time: 115ms
memory: 3612kb

input:

5382
1 1
1 2
2 1
1 3
2 2
3 1
1 4
2 3
3 2
4 1
1 5
2 4
3 3
4 2
5 1
1 6
2 5
3 4
4 3
5 2
6 1
1 7
2 6
3 5
4 4
5 3
6 2
7 1
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
1 9
2 8
3 7
4 6
5 5
6 4
7 3
8 2
9 1
1 10
2 9
3 8
4 7
5 6
6 5
7 4
8 3
9 2
10 1
1 11
2 10
3 9
4 8
5 7
6 6
7 5
8 4
9 3
10 2
11 1
1 12
2 11
3 10
4 9
5 8
6 ...

output:

No
No
No
Yes
1 0 1 
No
Yes
1 
0 
1 
Yes
1 1 0 1 
Yes
1 0 1 
1 0 1 
Yes
1 1 
0 0 
1 1 
Yes
1 
1 
0 
1 
No
Yes
1 1 0 1 
1 1 0 1 
Yes
1 0 1 
1 0 1 
1 0 1 
Yes
1 1 
1 1 
0 0 
1 1 
No
No
No
Yes
1 1 0 1 
1 1 0 1 
1 1 0 1 
Yes
1 0 1 
1 0 1 
1 0 1 
1 0 1 
No
No
Yes
1 1 0 0 1 1 0 
No
Yes
1 1 1 1 1 
0 0 0 0 0...

result:

wrong answer 18 Mixed Submatrices Found, but 14 Expected (test case 22)