Compilare: main.cpp: In function 'void scmax()': main.cpp:34:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int f = 0 ; f <= a.size() ; f ++) ~~^~~~~~~~~~~ main.cpp:35:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int e = 0 ; e <= b.size() ; e ++) ~~^~~~~~~~~~~ main.cpp:38:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int f = 1 ; f <= a.size() ; f ++) ~~^~~~~~~~~~~ main.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int e = 1 ; e <= b.size() ; e ++) ~~^~~~~~~~~~~ main.cpp:42:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int f = 1 ; f < a.size() ; f ++) ~~^~~~~~~~~~ main.cpp:43:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int e = 1 ; e <= b.size() ; e ++) ~~^~~~~~~~~~~