Compilare: main.cpp: In function 'int main()': main.cpp:39:1: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(ok == 1) ^~ main.cpp:44:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' return 0; ^~~~~~ main.cpp:9:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("loto.in", "r", stdin); ^ main.cpp:10:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("loto.out", "w", stdout); ^