Compilare: main.cpp: In function 'int main()': main.cpp:76:62: warning: 'xsec' may be used uninitialized in this function [-Wmaybe-uninitialized] nr=(ora*3600+minute*60+sec)-(xora*3600+xminute*60+xsec); ~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:76:59: warning: 'xminute' may be used uninitialized in this function [-Wmaybe-uninitialized] nr=(ora*3600+minute*60+sec)-(xora*3600+xminute*60+xsec); ~~~~~~~^~~ main.cpp:76:46: warning: 'xora' may be used uninitialized in this function [-Wmaybe-uninitialized] nr=(ora*3600+minute*60+sec)-(xora*3600+xminute*60+xsec); ~~~~^~~~~