Compilare: user.cpp: In function ‘int main()’: user.cpp:43:9: warning: unused variable ‘n’ [-Wunused-variable] int n, i, j, last; ^ user.cpp:43:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, last; ^ user.cpp:40:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(inFile, "r", stdin); ^ user.cpp:41:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(outFile, "w", stdout); ^ user.cpp:46:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &k, &p); ^ user.cpp:49:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ user.cpp:64:38: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] long long rem = getRemainder(last); ^