2 条题解

  • 0
    @ 2024-9-17 15:28:52
    /*
    int      %o/%lo(八进制) %d/%i/%ld/%li(十进制) %x/%lx(十六进制)[如标名为o/lo/d/i/lo/li/x/lx即输出为八进制/十进制/十六进制]
    longlong %lld
    float    %f/%e
    double   %lf/%le
    char     %c
    char[]   %s
    'a'=97
    'z'=122
    'A'=65
    'Z'=90
    '0'=48
    '9'=57
    */
    #include <iostream>
    #include <iomanip>
    #include <cmath>
    #include <cstdio>
    #include <cstring>
    #include <algorithm>
    #include <ctime>
    #include <limits>
    #include <assert.h>
    #include <stdlib.h>
    using namespace std;
    #define LL long long
    #define ull unsigned long long
    const int N=1e5+10;
    const int INF=0x3f3f3f3f;
    const double pi=3.1416;
    int n,m,ans;
    struct sb{
    	int x;
    	int id;
    }a[N];
    bool cmp(sb a1,sb a2){
    	return a1.x<a2.x;
    }
    int main(){
    	cin>>n;
    	for(int i=1;i<=n;i++){
    		cin>>a[i].x;
    		a[i].id=i;
    	}
    	cin>>m;
    	sort(a+1,a+n+1,cmp);
    	for(int i=1;i<=n;i++){
    		cout<<a[i].x<<" ";
    		if(a[i].x==m){
    			ans=a[i].id;
    		}
    	}
    	cout<<endl;
    	if(ans){
    		cout<<ans;
    	}else{
    		cout<<"Not Find";
    	}
    return 0;
    }
    
    • -1
      @ 2022-9-24 16:07:27
      #include <iostream>
      #include <algorithm>
      using namespace std;
      int n, x;
      struct node
      {
      	int num,id;
      }a[1000010];
      int find(int num)
      {
      	int l = 0, r = n-1;
      	while (l <= r)
      	{
      		int mid = (l + r) / 2;
      		if (num == a[mid].num)
      			return a[mid].id;
      		else if (num < a[mid].num)
      			r = mid - 1;
      		else
      			l = mid + 1;
      	}
      	return -1;
      }
      bool cmp(node x, node y)
      {
      	return x.num < y.num;
      }
      int main()
      {
      	cin >> n;
      	for (int i = 0; i < n; i++)
      	{
      		cin >> a[i].num;
      		a[i].id = i+1;
      	}
      	sort (a, a + n,cmp);
      	cin >> x;
      	for (int i = 0; i < n; i++)
      	{
      		cout << a[i].num << " ";
      	}
      	cout << endl; 
      	int findnum = find(x);
      	if(findnum == -1)
      		cout << "Not Find";
      	else
      		cout << findnum << endl;
      }
      
      • 1

      信息

      ID
      1564
      时间
      1000ms
      内存
      256MiB
      难度
      6
      标签
      递交数
      427
      已通过
      122
      上传者