Eroare de compilare: main.cpp: In function 'int bfs()': main.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < a[x].size(); ++i) ~~^~~~~~~~~~~~~ main.cpp: In function 'void cale(int, int)': main.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < a[x].size(); ++i) ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:11: error: expected ';' before ':' token f>>N>>M: ^ main.cpp:72:18: warning: statement has no effect [-Wunused-value] for(i = 1; i <= M; ++i) ~~^~~~ main.cpp:72:27: error: expected ';' before ')' token for(i = 1; i <= M; ++i) ^ main.cpp:82:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < a[N].size(); ++i) ~~^~~~~~~~~~~~~ main.cpp:85:37: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') if(!t[x] || c[x][N] == f[x][N]) continue; ^ main.cpp:87:28: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') r = c[x][N] - f[x][N]; ^ main.cpp:88:68: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') for(j = x; j > 1; j = t[j]) r = min(r, c[ t[j] ][j] - f[ t[j] ][j]); ^ main.cpp:91:14: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[x][N] += r; ^ main.cpp:92:14: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[N][x] -= r; ^ main.cpp:95:18: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[ t[j] ][j] += r; ^ main.cpp:96:18: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[j][ t[j] ] -= r; ^ main.cpp:106:13: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') if(f[x][y] < 0) swap(x,y); ^ main.cpp:107:13: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') if(f[x][y] == c[x][y]) ^ main.cpp:69:17: warning: unused variable 'z' [-Wunused-variable] int i,j,x,y,z,r,cnt=0; Non zero exit status: 1