Compilare: main.cpp: In function 'int main()': main.cpp:46:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ main.cpp:48:49: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i=0; i<n; i++) fscanf(fin, "%d", &v1[i]); ^ main.cpp:52:15: warning: iteration 65535 invokes undefined behavior [-Waggressive-loop-optimizations] ind[i]=ind[i-1]+freq[i-1]; ~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:51:15: note: within this loop for(i=1; i<=BUCKETS; i++){ ^