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:181:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:207:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:232:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:257:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:282:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:307:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:332:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:357:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:382:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:407:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:435:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:460:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minim>solu) ~~~~~^~~~~ main.cpp:135:28: 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); ^