Compilare: user.cpp: In function ‘int main()’: user.cpp:40:67: warning: repeated '0' flag in format [-Wformat=] else if (a[n%2][0][i]<10000) printf("%00000d",a[n%2][0][i]); ^ user.cpp:40:67: warning: repeated '0' flag in format [-Wformat=] user.cpp:40:67: warning: repeated '0' flag in format [-Wformat=] user.cpp:40:67: warning: repeated '0' flag in format [-Wformat=] user.cpp:41:67: warning: repeated '0' flag in format [-Wformat=] else if (a[n%2][0][i]<100000) printf("%0000d",a[n%2][0][i]); ^ user.cpp:41:67: warning: repeated '0' flag in format [-Wformat=] user.cpp:41:67: warning: repeated '0' flag in format [-Wformat=] user.cpp:42:67: warning: repeated '0' flag in format [-Wformat=] else if (a[n%2][0][i]<1000000) printf("%000d",a[n%2][0][i]); ^ user.cpp:42:67: warning: repeated '0' flag in format [-Wformat=] user.cpp:43:67: warning: repeated '0' flag in format [-Wformat=] else if (a[n%2][0][i]<10000000) printf("%00d",a[n%2][0][i]); ^ user.cpp:17:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mult.in","r",stdin); ^ user.cpp:18:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mult.out","w",stdout); ^ user.cpp:19:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^ user.cpp:21:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^