Compilare: user.cpp: In function ‘int main()’: user.cpp:32:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘i64* {aka long long int*}’ [-Wformat=] scanf("%d %d %d", &N, &x, &L); ^ user.cpp:32:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘i64* {aka long long int*}’ [-Wformat=] user.cpp:32:31: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘i64* {aka long long int*}’ [-Wformat=] user.cpp:29:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lupu.in", "r", stdin); ^ user.cpp:30:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lupu.out", "w", stdout); ^ user.cpp:32:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &N, &x, &L); ^ user.cpp:35:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &D, &A); ^