Compilare: user.cpp: In function ‘void actsum(int)’: user.cpp:36:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i+k<=v.size(); i++){ ^ user.cpp: In function ‘int main()’: user.cpp:54:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[50]’ [-Wformat=] scanf("%s\n", &p); ^ user.cpp:61:28: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d\n", suma); ^