Compilare: main.cpp: In function 'void transf1()': main.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < strlen(o); i ++) ~~^~~~~~~~~~~ main.cpp: In function 'void transf2()': main.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < strlen(o); i ++) ~~^~~~~~~~~~~ main.cpp: In function 'void solve2()': main.cpp:123:9: warning: unused variable 'aux' [-Wunused-variable] int aux,dei=0,exp=1,i,j,k,f,dist; ^~~ main.cpp: In function 'void solve1()': main.cpp:71:29: warning: 'dei' may be used uninitialized in this function [-Wmaybe-uninitialized] s=s+(dei*v[i]); ~~~~^~~~~~