#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef vector<long long> vl;
typedef pair<long long, long long > pl;
const int N = 1e6 + 1;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18
#define MIN -1e18
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n, m, ans, mid, mn, mx, cnt, sum, h1, h2, arr[3234567],arr1[1234567], sz, k, i, j, h, a, w, x, y, z,par[1234567];
bool used[1234567];
//ll dx[4]={-1,1,0,0},dy[4]={0,0,-1,1},c1[123][123];
//vector<ll> edge[1234567];
//ll jump[22][223456];
//ll lvl[1234567];
//ll bit[1234567];
//ll timer;
//ll st[1234567],endd[1234567];
//pl tr[1234567];
//ll dp[5005][5005];
ll power(ll base, ll val, ll mod) {
ll res = 1;
while (val) {
if (val % 2 == 1) {
res = res * base;
}
base = base * base;
base %= mod;
res %= mod;
val /= 2;
}
return res;
}
bool comp(pl x,pl y){
if(x.ff>y.ff)return true;
return false;
}
ll find(ll x){
if(x==par[x])return x;
else return par[x]=find(par[x]);
}
class A {
public:
static void funcA() {
cin>>n>>m;
char grid[n+1][m+1];
ans=MIN;
ll id=0;
if(n<=4&&m<=4){
for(int msk=0;msk<(1<<(n*m));msk++){
for(int j=0;j<n*m;j++){
if(msk&(1<<j)){
grid[j/m+1][(j%m+1)]='-';
}
else grid[j/m+1][(j%m+1)]='+';
}
/*cout<<msk<<'\n';
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
cout<<grid[i][j]<<" ";
}
cout<<'\n';
}*/
ll cnt=0;
for(int i=1;i<=n;i++){
ll x=0,y=0;
for(int j=1;j<=m;j++)x+=(grid[i][j]=='-'),y+=(grid[i][j]=='+');
if(y>x)cnt++;
}
for(int i=1;i<=m;i++){
ll x=0,y=0;
for(int j=1;j<=n;j++){
x+=(grid[j][i]=='-');
y+=(grid[j][i]=='+');
}
if(x>y)cnt++;
}
if(ans<cnt){
ans=cnt;
id=msk;
}
}
for(int j=0;j<n*m;j++){
if(id&(1<<j)){
grid[j/m+1][(j%m+1)]='-';
}
else grid[j/m+1][(j%m+1)]='+';
}
cout<<ans<<'\n';
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cout<<grid[i][j]<<" ";
}
cout<<'\n';
}
return;
}
if(n<=3){
if(n==1 || n==2){
cout<<m<<'\n';
for(int j=1;j<=n;j++){for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';}
return;
}
else{
cout<<m+1<<'\n';
for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';
for(int i=1;i<=m;i++)cout<<'+';cout<<'\n';
for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';
return;
}
}
if(m<=3){
if(m==1 || m==2){
cout<<n<<'\n';
for(int j=1;j<=n;j++){for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';}
}
else{
cout<<n+1<<'\n';
for(int i=1;i<=n;i++)cout<<"-+-"<<'\n';
}
return;
}
}
}lol;
void solve() {
A::funcA();
}
int main() {
ll T = 1;
cin>>T;
boost;
while (T--) {
solve();
}
}
Compilation message
stones.cpp: In static member function 'static void A::funcA()':
stones.cpp:125:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
125 | for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';
| ^~~
stones.cpp:125:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
125 | for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';
| ^~~~
stones.cpp:126:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
126 | for(int i=1;i<=m;i++)cout<<'+';cout<<'\n';
| ^~~
stones.cpp:126:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
126 | for(int i=1;i<=m;i++)cout<<'+';cout<<'\n';
| ^~~~
stones.cpp:127:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
127 | for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';
| ^~~
stones.cpp:127:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
127 | for(int i=1;i<=m;i++)cout<<'-';cout<<'\n';
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Wrong answer |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
204 KB |
in the table A+B is not equal to 20 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Wrong answer |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
204 KB |
Wrong answer |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
316 KB |
Wrong answer |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Wrong answer |
| 2 |
Halted |
0 ms |
0 KB |
- |
