#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define int long long
#define ft first
#define sc second
using namespace std;
const int mod=1e9+7,INF=1e17;
main(){
int t;
cin >> t;
while(t--){
int n,m;
cin >> n >> m;
if(max(n,m)%2!=0){
cout << max(n,m)+(min(n,m)/2) << endl;
if(max(n,m)==n){
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(j%2==0){
cout << "+";
}
else{
cout << "-";
}
}
cout << endl;
}
}
else{
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(i%2==0){
cout << "-";
}
else{
cout << "+";
}
}
cout << endl;
}
}
}
else{
cout << max(n,m)+(max((min(n,m)/2)-1,(int)0)) << endl;
if(max(n,m)==n){
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(j%2==0){
cout << "+";
}
else{
cout << "-";
}
}
cout << endl;
}
}
else{
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(i%2==0){
cout << "-";
}
else{
cout << "+";
}
}
cout << endl;
}
}
}
}
}
Compilation message
stones.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
13 | main(){
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Incorrect |
0 ms |
204 KB |
in the table A+B is not equal to 4 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
204 KB |
in the table A+B is not equal to 20 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Incorrect |
0 ms |
204 KB |
in the table A+B is not equal to 4 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
54 ms |
1208 KB |
Wrong answer in test 97 21: 107 < 116 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
39 ms |
1280 KB |
in the table A+B is not equal to 35 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Incorrect |
0 ms |
204 KB |
in the table A+B is not equal to 4 |