Compilare: main.cpp: In function 'int scano()': main.cpp:24:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation] while( isdigit(ch) == 0 && ch != '-') ^~~~~ main.cpp:27:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while' if (ch == '-'){ ^~ main.cpp: In function 'int solve(int)': main.cpp:88:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'char getch()': main.cpp:14:38: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread( buffer, 1010, 1, fi ); ^