标签:算法
#include <cstdio> #include <iostream> using namespace std; #ifdef ONLINE_JUDGE #define FINPUT(file) 0 #define FOUTPUT(file) 0 #else #define FINPUT(file) freopen(file,"r",stdin) #define FOUTPUT(file) freopen(file,"w",stdout) #endif int firstNonZeroDigit(int t) { unsigned int flg = 1; for(int i=0;i<8*sizeof(t);i++) { if(flg & t) return i; flg = flg << 1; } return -1; } int main() { FINPUT("in.txt"); FOUTPUT("out.txt"); int n; while(scanf("%d",&n)!=EOF && n) { int i; int *A = new int[n+1]; for(i=0;i<n;i++) scanf("%d",&A[i]); int c = 0; for(i=0;i<n;i++) c ^= A[i]; int k = firstNonZeroDigit(c); int c1 = 0, c2 = 0; for(i=0;i<n;i++) { int tt = (A[i]>>k); if(tt&1) c1 ^= A[i]; else c2 ^= A[i]; } if(c1<c2) cout<<c1<<" "<<c2<<endl; else cout<<c2<<" "<<c1<<endl; delete [] A; } return 0; }
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标签:算法
原文地址:http://blog.csdn.net/daringpig/article/details/25535045