Submission #501282

#	Time	Username	Problem	Language	Result	Execution time	Memory
501282		DragonO_o	Red-blue table (IZhO19_stones)	C++14	27 / 100	21 ms	1336 KiB

stones

#include <bits/stdc++.h>

using namespace std;

#define x first
#define y second
#define pb push_back
#define all(a) a.begin(),a.end()
#define int long long

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair<int,int>pi;
typedef pair<ll,ll>pll;
typedef vector<ll>vll;
typedef vector<int>vi;
typedef vector<bool>vb;
typedef vector<vi>vvi;
typedef vector<vll>vvll;
typedef vector<pi>vpi;
typedef vector<pll>vpll;

const int N=1e3+99;

char a[N][N];

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int tt;
    cin>>tt;
    while(tt--){
        int n,m;
        cin>>n>>m;
        for(int i=1;i<=n;++i){
            for(int j=1;j<=m;++j){
                a[i][j]='*';
            }
        }
        cout<<max(n,m)+(min(n,m)-1)/2<<"\n";
        if(n<=m){
            for(int i=1;i<=(n+2)/2;++i){
                for(int j=1;j<=m;++j){
                    a[i][j]='-';
                }
            }
            for(int i=1;i<=n;++i){
                for(int j=1;j<=m;++j){
                    if(a[i][j]=='-'){
                        cout<<'-';
                    }
                    else{
                        cout<<'+';
                    }
                }
                cout<<"\n";
            }
        }
        else{
            for(int i=1;i<=n;++i){
                for(int j=1;j<=(m+2)/2;++j){
                    a[i][j]='+';
                }
            }
            for(int i=1;i<=n;++i){
                for(int j=1;j<=m;++j){
                    if(a[i][j]=='+'){
                        cout<<'+';
                    }
                    else{
                        cout<<'-';
                    }
                }
                cout<<"\n";
            }
        }
    }
}

• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31