Compilare: main.cpp: In function 'int32_t main()': main.cpp:21:22: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=] scanf("%d %d",&a,&n); ^ main.cpp:21:22: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] main.cpp:23:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d",((x%n)+n)%n); ^ main.cpp:19:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("inversmodular.in","r",stdin); ^ main.cpp:20:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("inversmodular.out","w",stdout); ^ main.cpp:21:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&a,&n); ^