http://poj.org/problem?id=3012 #include <stdio.h> int main( ) { int n, k, m, t, i; __int64 a[32], ans, temp; scanf( "%d", &t ); while( t-- ) { scanf( "%d%d%d", &n, &k, &m ); a[0] = 10%m; ans = 1; temp = 1; for( i=1; i<32; i++ ) a[i] = (a[i-1]*a[i-1])%m; for( i=0; (1<<i)<=k; i++ ) if( k & (1<<i) ) temp = (temp*a[i])%m; a[0] = (temp+1)%m; for( i=1; i<32; i++ ) a[i] = (a[i-1]*a[i-1])%m; for( i=0; (1<<i)<=n; i++ ) if( n & (1<<i) ) ans = (ans*a[i])%m; printf( "%dn", ans ); } return 0; }
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