#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 1000000005
#define mod 1000000007
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define mid (start+end)/2
#define lim 1000005
//char di[lim][lim],di2[lim][lim],di3[lim][lim],di4[lim][lim];
int32_t main(){
faster
int t;cin>>t;
while(t--){
int as1=0,as2=0;
int n,m;cin>>n>>m;
char dizi[n][m],di[n][m];
//if(n/2+m>=m/2+n){
if(n&1){
//cout<<n/2+m<<'\n';
as1=n/2+m;
for(int i=0;i<n;i++){
if(!(i&1)){
for(int j=0;j<m;j++){
dizi[i][j]='-';
}
}
else {
for(int j=0;j<m;j++){
dizi[i][j]='+';
}
}
// cout<<'\n';
}
}
else{
int deg=n-2;
// cout<<abs(deg)/2+m<<'\n';
as1=abs(deg)/2+m;
for(int i=0;i<deg;i++){
if(!(i&1)){
for(int j=0;j<m;j++){
dizi[i][j]='-';
}
}
else for(int j=0;j<m;j++){
dizi[i][j]='+';
}
// cout<<'\n';
}
deg=abs(deg);
if(n-deg>=2){
for(int j=0;j<m;j++)dizi[deg][j]='+';
//cout<<'\n';
}
deg=abs(deg-1);
if(n-deg>=1){
for(int j=0;j<m;j++)dizi[deg+1][j]='-';
// cout<<'\n';
}
}
// }
// else{
if(m&1){
// cout<<m/2+n<<'\n';
as2=m/2+n;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(!(j&1)){
di[i][j]='+';
}
else di[i][j]='-';
}
//cout<<'\n';
}
}
else{
int dg=n-2;
// cout<<abs(dg)/2+m<<'\n';
as2=abs(dg)/2+m;
for(int i=0;i<dg;i++){
for(int j=0;j<m;j++){
if(!(j&1)){
di[i][j]='+';
}
else if(j==m-1)di[i][j]='+';
else di[i][j]='-';
}
//cout<<'\n';
}
}
if(as1<as2){
cout<<as2<<'\n';
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cout<<di[i][j];
}
cout<<'\n';
}
}
else{
cout<<as1<<'\n';
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cout<<dizi[i][j];
}
cout<<'\n';
}
}
// }
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
invalid character |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
invalid character |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
18 ms |
1396 KB |
Wrong answer in test 97 21: 107 < 116 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
20 ms |
1368 KB |
invalid character |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
invalid character |
3 |
Halted |
0 ms |
0 KB |
- |