Compilare: main.cpp: In function 'int main()': main.cpp:11:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ main.cpp:14:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^ main.cpp:23:17: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] v[poz] = v[poz] * v[poz + 1]; ~~~~~^