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1¡¢ ÉèÓÐÒ»¸öÊäÈëÊý¾ÝµÄÐòÁÐÊÇ { 46, 25, 78, 62, 12, 80 }, ÊÔ»­³ö´Ó¿ÕÊ÷Æð£¬Öð¸öÊäÈë¸÷¸öÊý¾Ý¶øÉú³ÉµÄ¶þ²æËÑË÷Ê÷¡£
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int hasDuplicate(int[]a,int n){
for(int i=0;i while(a[i] != i && a[i] != -1){
if(a[a[i]] == -1){
return 1;
}
a[i] = a[a[i]];
a[a[i]] = -1;
}
if(a[i] == i){
a[i] = -1;
}
}
return 0;
}
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struct record{
int key;
int others;
};
int bisearch(struct record r[], int k){
int low=0,mid,high=n-1;
while(low<=high){
mid=(low+high)/2;
if(r[mid].key==k){
return(mid+1);
}else if(r[mid].key>k){
high=mid-1;
}else{
low=mid+1;
}
}
return (0);
}
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