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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#617920#5438. Half MixedCipherxzc#RE 3ms11512kbC++231.4kb2024-10-06 17:44:052024-10-06 17:44:05

Judging History

你现在查看的是最新测评结果

  • [2024-10-06 17:44:05]
  • 评测
  • 测评结果:RE
  • 用时:3ms
  • 内存:11512kb
  • [2024-10-06 17:44:05]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
#define ld long double
using namespace std;

const int N=1e6+10,inf=1e9;
vector<ll>e;
int a[N];
int n,m;

inline void solve(){
    
    cin >> n >> m;
    
    ll s1=1ll*(n+1)*n/2;
    ll s2=1ll*(m+1)*m/2;
    if ((s1&1)&&(s2&1)){
        cout << "No\n";
        return;
    }
    int bj=0;
    if (s2&1){
        swap(s1,s2);
        bj=1;
    }
    s2/=2;
    ll x=1;
    int r=0,o=0,mm;
    if (!bj) mm=m; else mm=n;
    
    while(s2){
        
        int p;
        if (s2==mm-r) p=1;
        else p = std::upper_bound(e.begin(), e.end(), s2) - e.begin();
        
        for(int i=r+1;i<=r+p;++i)
            a[i]=o;
        o^=1;
        s2-=e[p-1];
        r+=p;
    }
    assert(r == mm);
    // if (r!=mm){
    //     cout << "No\n";
    //     return;
    // }
    cout << "Yes\n";
    if (bj){
        for(int i=1;i<=n;++i){
            for(int j=1;j<=m;++j)
                cout << a[i] << ' ';
            cout << '\n';
        }
    }
    else{
        for(int i=1;i<=n;++i){
            for(int j=1;j<=m;++j)
                cout << a[j] << ' ';
            cout << '\n';
        }
    }
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);

    ll x=1;
    while(x<=N-10){
        e.push_back(x*(x+1)/2);
        x++;
    }

    int T;
    cin >> T;
    while(T--){
        solve();
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 3ms
memory: 11512kb

input:

2
2 3
1 1

output:

Yes
0 1 0 
0 1 0 
No

result:

ok OK, Accepted. (2 test cases)

Test #2:

score: -100
Runtime Error

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:


result: