Compilare: user.c:2:1: warning: return type defaults to ‘int’ [enabled by default] printArray(int *v,int start, int end){ ^ user.c:10:1: warning: return type defaults to ‘int’ [enabled by default] mergeSort(int *v,int start, int end){ ^ user.c: In function ‘mergeSort’: user.c:21:73: warning: operation on ‘*(v + (sizetype)((unsigned int)end * 4u))’ may be undefined [-Wsequence-point] if(v[end] < v[start]) v[start] = v[start] ^ v[end] ^ (v[end]=v[start]);//DACA AVEM EXACT DOUA ELEMENTE, TESTAM ORDINEA SI EVENTUAL INTERSCHIMBAM (CU XOR, CUM AM INVATAT LA SEMINAR) ^ user.c: In function ‘printArray’: user.c:9:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘mergeSort’: user.c:50:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:54:40: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] int n;printf("Nr. elemente:");scanf("%d",&n);//NUMARUL DE ELEMENTE ALE VECTORULUI ^ user.c:58:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i]); ^