View Compilation Error

0_0_15001772_11740.cpp:49:13: error: redefinition of 'std::ifstream fin'
 ifstream fin(IN);
             ^
0_0_15001772_11740.cpp:9:10: note: 'std::ifstream fin' previously declared here
 ifstream fin(IN);
          ^
0_0_15001772_11740.cpp:50:14: error: redefinition of 'std::ofstream fout'
 ofstream fout(OUT);
              ^
0_0_15001772_11740.cpp:10:10: note: 'std::ofstream fout' previously declared here
 ofstream fout(OUT);
          ^
0_0_15001772_11740.cpp:51:24: error: redefinition of 'char matrice [1005][1005]'
 char matrice[NMAX][NMAX];
                        ^
0_0_15001772_11740.cpp:11:6: note: 'char matrice [1005][1005]' previously declared here
 char matrice[NMAX][NMAX];
      ^
0_0_15001772_11740.cpp: In function 'int main()':
0_0_15001772_11740.cpp:53:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_15001772_11740.cpp:13:5: note: 'int main()' previously defined here
 int main()
     ^