Compilare: user.cpp: In function ‘int main()’: user.cpp:40:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &K); ^ user.cpp:45:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[cr]); ^ user.cpp:55:42: warning: ‘rr’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d %d\n", rl + 1, rr + 1, res); ^ user.cpp:55:42: warning: ‘rl’ may be used uninitialized in this function [-Wmaybe-uninitialized]