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Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)2 1 2
4 6
#include<stdio.h> main() { int a,b,j,i; scanf("%d",&j); while(j--) { b=3; scanf("%d",&a); for(i=1;i<=a;i++) { b=b-1; b=b*2; } printf("%d\n",b); } return 0; }
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原文地址:http://blog.csdn.net/l15738519366/article/details/45330707