Submission #758086

#	Time	Username	Problem	Language	Result	Execution time	Memory
758086		vjudge1	Simple game (IZhO17_game)	C++17	0 / 100	7 ms	11476 KiB

game

#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
 
#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif
 
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
 
 
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <fstream>
#define endl '\n'
#define int long long
using namespace std;

int a[100001];
int N,Right,n,Left;
int seg[3000001];


int bg = 0;
void Update(int pos, int val){
    int ind = 0;
    if(pos + 1 < n and bg != 0){
        int aa = min(a[pos], a[pos + 1]), bb = max(a[pos], a[pos + 1]);
        seg[aa + N - 1]--;
        seg[bb + N]++;
        ind = aa + N - 1;
        while(ind/=2) seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
        ind = bb + N;
        while(ind/=2) seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
    }
    a[pos] = val;
    if(pos + 1 < n){
        int aa = min(a[pos], a[pos + 1]), bb = max(a[pos], a[pos + 1]);
        seg[aa + N - 1]++;
        seg[bb + N]--;
        ind = aa + N - 1;
        while(ind/=2) seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
        ind = bb + N;
        while(ind/=2) seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
    }
}

int Query(int l = 1, int r = N, int ind = 1){
    if(l > Right or r < Left) return 0;
    if(l >= Left and r <= Right){
        //cout << seg[ind] << ' ' << l << ' ' << r << endl;
        return seg[ind];
    }
    int mid = (l + r) / 2;
    return Query(l, mid, ind * 2) + Query(mid + 1,r, ind * 2 + 1);
}
signed main() {
    int m; cin >> n >> m;
    
    N = exp2(ceil(log2(1e6)));
    for(int i = 0; i < n; i++)  cin >> a[i];
    for(int i = 0; i < n; i++) {
        if(i != n - 1) Update(i,a[i]);
    }
    bg = 1;
    Left = 1;
    while(m--){
        int t; cin >> t;
        if(t == 1){
            int pos,val; cin >> pos >> val;
            Update(pos - 1, val);
        }else{
            int H; cin >> H;
            Right = H;
            cout << Query() << endl;
        }
    }
    
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 27
• Subtask 3: 0 / 51