Compilare: user.cpp: In function ‘void task1()’: user.cpp:40:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &permIdx); ^ user.cpp: In function ‘void task2()’: user.cpp:66:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &perm[i]); ^ user.cpp: In function ‘int main()’: user.cpp:90:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^