wei shen me chao shi?
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wei shen me chao shi?
1000915
dfsgbear2楼主2023/7/15 20:39
#include<bits/stdc++.h>
using namespace std;
int mid,m,n,a[100001],z,k;
int zy(int x,int y,int z){
	while(x<y){
		mid=(x+y)/2;
		if(a[mid]>z)y=mid;
		else x=mid+1;
	}
	return -1;
    if(a[mid]==z)return mid;
}
int main(){
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		scanf("%d", &a[i]);
	}
	for(int i=0;i<m;i++){
		cin>>z;
        k=zy(0,n,z);
		cout<<k;
	}
}
2023/7/15 20:39
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