Submission #928993

#	Time	Username	Problem	Language	Result	Execution time	Memory
928993		NourWael	Tetris (COCI17_tetris)	C++17	80 / 80	1 ms	440 KiB

tetris

#include <bits/stdc++.h>
#define int long long
using namespace std; 
char a[15][15];
int ans[10];
int n,m;

bool check ( int i, int j, int i2, int j2, int i3, int j3, int i4, int j4 ) {
   int mini = min ({i,i2,i3,i4,j,j2,j3,j4});
   int maxi1 = max ({i,i2,i3,i4}) , maxi2 = max ({j,j2,j3,j4});
   if(mini<0 || maxi1>=n || maxi2>=m) return false;
   set<int> st;
   st.insert(a[i][j]), st.insert(a[i2][j2]), st.insert(a[i3][j3]), st.insert(a[i4][j4]);
   if(st.size()>1 || (*st.begin())=='.') return false;
   return true;
}

signed main() {
  
  cin>>n>>m;
  for(int i=0; i<n; i++)
   for(int j=0; j<m; j++)
      cin>>a[i][j];

   int t=0,t4=0,t2=0,t3=0;
   for(int i=0; i<n; i++){
    for(int j=0; j<m; j++) {
       if(check(i,j, i-1,j, i,j+1, i-1, j+1)) ans[0]++;

       if(check(i,j,i,j+1, i,j+2, i,j+3)) ans[1]++;
       if(check(i,j,i+1,j, i+2,j, i+3,j)) ans[1]++;

       if(check(i,j,i,j+1, i-1,j+1, i-1, j+2)) ans[2]++, t++;
       if(check(i,j,i+1,j, i+1,j+1, i+2, j+1)) ans[2]++, t2++;

       if(check(i,j, i,j-1, i-1,j-1, i-1, j-2)) ans[3]++;
       if(check(i,j, i-1,j, i-1,j+1, i-2, j+1)) ans[3]++;

       if(check(i,j,i,j+1, i, j+2, i-1,j+1)) ans[4]++;
       if(check(i,j,i+1,j, i+2, j, i+1,j+1)) ans[4]++;
       if(check(i,j,i,j-1, i,j-2, i+1,j-1)) ans[4]++;
       if(check(i,j,i-1,j, i-2, j, i-1,j-1)) ans[4]++;
    }
   }
   for(int i=0; i<5; i++) cout<<ans[i]<<'\n';
  return 0;
}

Compilation message (stderr)

tetris.cpp: In function 'int main()':
tetris.cpp:25:12: warning: unused variable 't4' [-Wunused-variable]
   25 |    int t=0,t4=0,t2=0,t3=0;
      |            ^~
tetris.cpp:25:22: warning: unused variable 't3' [-Wunused-variable]
   25 |    int t=0,t4=0,t2=0,t3=0;
      |                      ^~

• Subtask 1: 80 / 80