Minimum Array

https://codeforces.com/contest/1157/problem/E

题意:重新排序b数组,使得ci=(ai+bi)%n的字典序最小

题解:用multiset存储b数组,lower_bound查询,不要用vector,容易TLE

/*
*@Author:   STZG
*@Language: C++
*/
#include 
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
//#define DEBUG
#define RI register int
#define endl "\n"
using namespace std;
typedef long long ll;
//typedef __int128 lll;
const int N=200000+10;
const int M=100000+10;
const int MOD=1e9+7;
const double PI = acos(-1.0);
const double EXP = 1E-8;
const int INF = 0x3f3f3f3f;
int t,n,m,k,p,l,r,u,v;
int ans,cnt,flag,temp,sum;
int a[N],b[N],c[N];
multisetd;
char str;
struct node{};
int main()
{
#ifdef DEBUG
	freopen("input.in", "r", stdin);
	//freopen("output.out", "w", stdout);
#endif
    //ios::sync_with_stdio(false);
    //cin.tie(0);
    //cout.tie(0);
    //scanf("%d",&t);
    //while(t--){
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
    }
    for(int i=1;i<=n;i++){
        scanf("%d",&b[i]);
        d.insert(b[i]);
    }
    multiset::iterator id;
    for(int i=1;i<=n;i++){
        m=n-a[i];
        id=d.lower_bound(m);
        if(id==d.end()){
            id=d.lower_bound(0);
        }
        c[i]=((*id)+a[i])%n;
        d.erase(id);
    }
    for(int i=1;i<=n;i++)
        printf("%d%c",c[i]," \n"[i==n]);
    //}

#ifdef DEBUG
	printf("Time cost : %lf s\n",(double)clock()/CLOCKS_PER_SEC);
#endif
    //cout << "Hello world!" << endl;
    return 0;
}

 

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