Compilare: main.cpp: In function 'void cautbin_sol(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int)': main.cpp:79:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=1;i<=e1;i++){ ~^~~~ main.cpp:88:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=1;i<=e2;i++){ ~^~~~ main.cpp: In function 'int main()': main.cpp:184:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:210:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:237:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:263:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:288:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:313:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:339:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:364:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:389:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:415:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:443:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:469:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:137:28: warning: unused variable 'solut' [-Wunused-variable] unsigned long long solut=0; ^~~~~ main.cpp:113:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bonus.in","r",stdin); ^