oj.uz

답안 #785845

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
785845 2023-07-17T16:21:43 Z bachhoangxuan Sushi (JOI16_sushi) C++17
15 / 100
 971 ms 80692 KB 
// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),erase(x)
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
//#define int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<int,pii>
#define mpp make_pair
#define fi first
#define se second
//const int inf=1e18;
const int mod=1e9+7;
const int maxn=400005;
const int bl=650;
const int maxs=655;
const int maxm=200005;
const int maxq=500005;
const int maxl=20;
const int maxa=250000;
const int root=3;
/*
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
const int iroot=power(3,mod-2);
*/
const int base=101;
int n,q,a[maxn];
struct block{
    priority_queue<int> pq;
    vector<int> add;
    int lt,rt;
    void build(){
        if(add.empty()) return;
        priority_queue<int,vector<int>,greater<int>> qq;
        for(int x:add) qq.push(x);
        for(int i=lt;i<=rt;i++){
            int x=qq.top();
            if(x<a[i]) qq.pop(),qq.push(a[i]),a[i]=x;
        }
        add.clear();
    }
    int update(int l,int r,int p){
        if(r<lt || rt<l) return p;
        if(l<=lt && rt<=r){
            int Max=pq.top();
            if(p<Max) pq.pop(),pq.push(p),add.push_back(p);
            return max(Max,p);
        }
        else{
            build();
            for(int i=max(lt,l);i<=min(rt,r);i++) if(p<a[i]) swap(a[i],p);
            for(int i=lt;i<=rt;i++) pq.push(a[i]);
            return p;
        }
    }
}ss[maxs];

void solve(){
    cin >> n >> q;
    for(int i=0;i<=(n-1)/bl;i++) ss[i].lt=i*bl,ss[i].rt=min(n,(i+1)*bl)-1;
    for(int i=0;i<n;i++) cin >> a[i],ss[i/bl].pq.push(a[i]);
    while(q--){
        int s,t,p;cin >> s >> t >> p;s--;t--;
        if(s<=t){
            for(int i=0;i<=(n-1)/bl;i++) p=ss[i].update(s,t,p);
        }
        else{
            for(int i=0;i<=(n-1)/bl;i++) p=ss[i].update(s,n-1,p);
            for(int i=0;i<=(n-1)/bl;i++) p=ss[i].update(0,t,p);
        }
        cout << p << '\n';
    }
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;//cin >> test;
    while(test--) solve();
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 37 ms 9688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 907 ms 80248 KB Output is correct
2 Correct 971 ms 79300 KB Output is correct
3 Correct 92 ms 5540 KB Output is correct
4 Correct 960 ms 80692 KB Output is correct
5 Correct 672 ms 80084 KB Output is correct
6 Correct 883 ms 80048 KB Output is correct
7 Correct 892 ms 80032 KB Output is correct
8 Correct 856 ms 80084 KB Output is correct
9 Correct 91 ms 5580 KB Output is correct
10 Correct 558 ms 74532 KB Output is correct
11 Correct 85 ms 5476 KB Output is correct
12 Correct 585 ms 75448 KB Output is correct
13 Correct 900 ms 80464 KB Output is correct
14 Correct 891 ms 78716 KB Output is correct
15 Correct 87 ms 5556 KB Output is correct
16 Correct 957 ms 80656 KB Output is correct
17 Correct 608 ms 80000 KB Output is correct
18 Correct 830 ms 80080 KB Output is correct
19 Correct 846 ms 80056 KB Output is correct
20 Correct 832 ms 80096 KB Output is correct

Subtask #3
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 37 ms 9688 KB Output isn't correct
2 Halted 0 ms 0 KB -