求助求助
「已注销」 2011-10-30 10:24:02 #include <stdio.h>
int main( )
{
int n, m, t, f[ 10000 ], i, count;
while ( scanf("%d%d", &n, &m) == 2 )
{
count = t = 0;
for ( i = 0; i < m; i++ )
f[ i ] = 0;
while ( !f[ t ] )
{
count++;
f[ t ] = 1;
t = ( t * 10 + n ) % m;
}
if ( !t )
printf("%d\n", count);
else
printf("0\n");
}
return 0;
}
这段代码里 这一句while ( !f[ t ] )什么意思