Eroare de compilare: main.cpp:14:49: error: conflicting declaration 'long int f [900][900]' long n, m, S, D, c[30*30][30*30], f[30*30][30*30], frec[30*30], ind[30*30][20000]; ^ main.cpp:11:10: note: previous declaration as 'std::ifstream f' ifstream f("teroristi.in"); ^ main.cpp: In function 'bool BF()': main.cpp:37:19: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') if (c[i][j] > f[i][j]) ^ main.cpp:39:38: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') cr[j] = min(cr[i], c[i][j] - f[i][j]); ^ main.cpp: In function 'int main()': main.cpp:57:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < ss.size(); ++i) ~~^~~~~~~~~~~ main.cpp:91:14: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[ii][jj] += cr[D]; ^ main.cpp:92:14: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[jj][ii] -= cr[D]; ^ main.cpp:97:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < ss.size(); ++i) ~~^~~~~~~~~~~ main.cpp:102:18: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') if (f[poz][j]) ^ main.cpp:107:6: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[poz][j]--; ^ Non zero exit status: 1