oj.uz

답안 #103020

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
103020 2019-03-28T18:57:39 Z rzbt Poklon (COCI17_poklon) C++14
0 / 140
 564 ms 42232 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define MAXN 500005
using namespace std;

int n,q;

int niz[MAXN];
set<int> s;
map<int,int> m;
int prosli[MAXN];
int proslix[MAXN];

int bit[MAXN];
void dodaj(int p,int x){
    if(p==0)return;
    for(;p<MAXN;p+=(-p)&p)
        bit[p]+=x;
}
int dobij(int p){
    int z=0;
    for(;p>0;p-=(-p)&p)
        z+=bit[p];

    return z;
}
int res[MAXN];
vector<pair<int,int>> omega [MAXN];

int main()
{
    scanf("%d %d", &n, &q);
    for(int i=1;i<=n;i++){
        scanf("%d",niz+i);
        s.insert(niz[i]);
    }
    int bbb=1;
    for(auto x:s){
        m[x]=bbb;
        bbb++;
    }
    for(int i=1;i<=n;i++){
        niz[i]=m[niz[i]];
        prosli[i]=proslix[niz[i]];
        proslix[niz[i]]=i;
    }
    for(int i=1;i<=q;i++){
        int t1,t2;
        scanf("%d %d", &t1, &t2);
        omega[t2].pb(mp(t1,i));
    }
    for(int i=1;i<=n;i++){
        dodaj(prosli[i],1);
        dodaj(prosli[prosli[i]],-2);
        for(auto x:omega[i])
            res[x.second]=dobij(i)-dobij(x.first-1);

    }

    for(int i=1;i<=q;i++)printf("%d\n",res[i]);


    return 0;
}

Compilation message

poklon.cpp: In function 'int main()':
poklon.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~~
poklon.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",niz+i);
         ~~~~~^~~~~~~~~~~~
poklon.cpp:53:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &t1, &t2);
         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 140.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 12 ms 12160 KB Output isn't correct
2 Incorrect 14 ms 12160 KB Output isn't correct
3 Incorrect 14 ms 12416 KB Output isn't correct
4 Incorrect 16 ms 12416 KB Output isn't correct
5 Incorrect 112 ms 17784 KB Output isn't correct
6 Incorrect 87 ms 17784 KB Output isn't correct
7 Incorrect 196 ms 23952 KB Output isn't correct
8 Incorrect 337 ms 30124 KB Output isn't correct
9 Incorrect 491 ms 36104 KB Output isn't correct
10 Incorrect 564 ms 42232 KB Output isn't correct