Compilare: user.cpp: In function ‘int verif()’: user.cpp:40:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[i].poz+v[i].l<strlen(a)) v[i+1].poz=kmp(v[i+1].cuv,a,v[i].poz+v[i].l); ^ user.cpp: In function ‘int main()’: user.cpp:50:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%s%s",&la,&lb,a,b); ^