Compilare: main.cpp: In function 'int main()': main.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=a[0]/2;i++) { ~^~~~~~~~ main.cpp:33:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=b[0]/2;j++) { ~^~~~~~~~ main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=b[0];j++) ~^~~~~~ main.cpp:39:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=a[0];j++) ~^~~~~~ main.cpp:42:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=a[0];j++) { ~^~~~~~ main.cpp:43:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=1;k<=b[0];k++) { ~^~~~~~ main.cpp:53:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<=b[0];j++) ~^~~~~~ main.cpp:65:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~ main.cpp:81:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~