Compilare: main.cpp: In function 'int main()': main.cpp:97:27: warning: narrowing conversion of '(N % 10ll)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing] int cur_dig{N % 10}; ~~^~~~ main.cpp:62:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("okcpp.in", "r", stdin); ^ main.cpp:63:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("okcpp.out", "w", stdout); ^ main.cpp:65:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &C); ^ main.cpp:71:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %lld %lld", &K, &P, &A, &B); ^ main.cpp:84:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %lld", &K, &P, &N); ^