标签：com class blog div code log string color c tab ble
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典型的快速幂成应用<br>题意：求x 使得x^e%n=num<br>#include<iostream>using
namespace std;bool
funtion(int
x,int e,int n,int num){// m^n % k int
b = 1; while
(e > 0) { if
(e & 1) b = (b*x)%n; e = e >> 1 ; x = (x*x)%n; } if(b==num) return
true; return
false;}int
main(){ int
p,q,e,l,c,n; while(scanf("%d%d%d%d",&p,&q,&e,&l)!=EOF) { n=p*q; while(l--) { scanf("%d",&c); for(int
i=0;i<=255;i++) if(funtion(i,e,n,c)) { printf("%c",i); break; } } printf("\n"); } return
0;} |
标签：com class blog div code log string color c tab ble
原文地址：http://www.cnblogs.com/zhangdashuai/p/3697291.html
