Compilare: main.cpp: In function 'int ciur()': main.cpp:12:8: warning: no return statement in function returning non-void [-Wreturn-type] c[j]=i;} ^ main.cpp: In function 'int main()': main.cpp:14:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("deletegcd.in","r",stdin); ^ main.cpp:15:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("deletegcd.out","w",stdout); ^ main.cpp:17:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&q); ^ main.cpp:19:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ main.cpp:36:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ main.cpp:46:4: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] poz=nex[x][j]; ~~~^~~~~~~~~~