제출 #490825

#제출 시각아이디문제언어결과실행 시간메모리
490825erkmRed-blue table (IZhO19_stones)C++14
38 / 100
24 ms1760 KiB
#include<bits/stdc++.h> #define loop(n) for(int i=0; i<n; i++) #define ll long long #define ld long double #define ull unsigned long long #define ff first #define ss second #define p_b push_back #define l_b lower_bound #define u_b upper_bound #define m_p make_pair #define m_t make_tuple #define ar array using namespace std; const int M=1e9, mxN=1e5; int main(){ ios_base::sync_with_stdio(0); cin.tie(NULL); //cout.tie(NULL); int T; cin>>T; while(T--){ int n, m, ans=0; cin>>n>>m; char a[n][m]; if(n<m){ for(int i=0; i<n; i++){ for(int j=0; j<m; j++){ a[i][j]='-'; } } int x=m/2+1, y=n/2-(n%2==0); // cout<<x<<' '<<y<<endl; for(int i=0; i<y; i++){ for(int j=0; j<x; j++){ a[i][j]='+'; } } ans=m+y; // cout<<x<<' '<<abs(n-(y*2))<<endl; if(y>abs(m-(x*2))){ for(int i=y; i<y+y; i++){ for(int j=x-abs(m-(x*2)); j<x-abs(m-(x*2))+x; j++){ a[i][j]='+'; } } ans+=m-(x*2)+y; } cout<<ans<<'\n'; for(int i=0; i<n; i++){ for(int j=0; j<m; j++){ cout<<a[i][j]; } cout<<'\n'; } } else { for(int i=0; i<n; i++){ for(int j=0; j<m; j++){ a[i][j]='+'; } } int x=m/2-(m%2==0), y=n/2+1; // cout<<x<<' '<<y<<endl; for(int i=0; i<y; i++){ for(int j=0; j<x; j++){ a[i][j]='-'; } } ans=n+x; // cout<<x<<' '<<abs(n-(y*2))<<endl; if(x>abs(n-(y*2))){ for(int i=y-abs(n-(y*2)); i<y-abs(n-(y*2))+y; i++){ for(int j=x; j<x+x; j++){ a[i][j]='-'; } } ans+=n-(y*2)+x; } cout<<ans<<'\n'; for(int i=0; i<n; i++){ for(int j=0; j<m; j++){ cout<<a[i][j]; } cout<<'\n'; } } } }
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