#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
using namespace std;
#define F first
#define S second
#define sz size()
#define all(x) (x).begin(), (x).end()
const int N = 5;
ll n;
vector<vector<int> > a;
ll prer[N][N], pred[N][N];
ll best = 0;
bool good()
{
vector<pair<ll,ll> > m;
// for(int i = 0; i <= n; i++) pre[i][0] = pre[0][i] = 0;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
prer[i][j] = prer[i][j-1]+(a[i-1][j-1]==2);
}
}
for(int j = 1; j <= n; j++)
{
for(int i = 1; i <= n; i++)
{
pred[i][j] = pred[i-1][j]+(a[i-1][j-1]==2);
}
}
for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) if(a[i][j]==2) m.push_back({i,j});
for(int i = 0; i < m.sz; i++)
{
for(int j = i+1; j < m.sz; j++)
{
ll x1 = m[i].F , y1 = m[i].S , x2 = m[j].F , y2 = m[j].S;
x1++,y1++,x2++,y2++;
//if(mm)
//cout << x1 << " " << x2 << endl;
ll cnt = pred[x2-1][y1]-pred[x1-1][y1];
if(y1<=y2)
{
cnt += prer[x2][y2]-prer[x2][y1-1];
}
else if(y1>y2)
{
cnt+=prer[x2][y1]-prer[x2][y2-1];
}
//if(mm) cout << i << " " << j << " " << cnt << endl;
ll cnt2 = pred[x2-1][y2]-pred[x1-1][y2];
if(y1<=y2)
{
cnt2+= prer[x1][y2]-prer[x1][y1-1];
}
else
{
cnt2+=prer[x1][y1]-prer[x1][y2-1];
}
if((cnt==x2-x1+abs(y1-y2)+1)||(cnt2==x2-x1+abs(y1-y2)+1)) {} else return 0;
}
}
return 1;
}
void bt(ll x, ll y, ll num)
{
if(x==n)
{
if(good()) best = max(best,num);
//if(num==12&&a[3][3]==0&&a[3][0]==0) cout << good();//for(int i = 0; i < n; i++) {for(int j = 0; j < n; j++) cout << a[i][j] << " "; cout << endl;}
return;
}
if(a[x][y]==1)
{
if(y==n-1) bt(x+1,0,num); else bt(x,y+1,num);
}
else
{
if(y==n-1) bt(x+1,0,num); else bt(x,y+1,num);
a[x][y] = 2;
if(y==n-1) bt(x+1,0,num+1); else bt(x,y+1,num+1);
a[x][y] = 0;
}
}
int biggest_stadium(int N, std::vector<std::vector<int>> F)
{
best = 0;
n = N, a = F;
bt(0,0,0);
return best;
}
Compilation message
soccer.cpp: In function 'bool good()':
soccer.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
37 | for(int i = 0; i < m.sz; i++)
| ^
soccer.cpp:39:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int j = i+1; j < m.sz; j++)
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
ok |
| 2 |
Correct |
1 ms |
348 KB |
ok |
| 3 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
ok |
| 2 |
Correct |
1 ms |
348 KB |
ok |
| 3 |
Correct |
0 ms |
348 KB |
ok |
| 4 |
Correct |
0 ms |
348 KB |
ok |
| 5 |
Correct |
0 ms |
348 KB |
ok |
| 6 |
Correct |
0 ms |
348 KB |
ok |
| 7 |
Correct |
0 ms |
348 KB |
ok |
| 8 |
Correct |
1 ms |
348 KB |
ok |
| 9 |
Correct |
1 ms |
436 KB |
ok |
| 10 |
Correct |
1 ms |
344 KB |
ok |
| 11 |
Correct |
0 ms |
348 KB |
ok |
| 12 |
Correct |
0 ms |
348 KB |
ok |
| 13 |
Correct |
0 ms |
344 KB |
ok |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
