Compilare: main.cpp: In function 'void marcare()': main.cpp:88:9: warning: unused variable 'cnt' [-Wunused-variable] int cnt=0; ^~~ main.cpp: In function 'void rez()': main.cpp:109:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(M[i][j]) ^~ main.cpp:111:12: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' cout.close(); ^~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:24:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^