Submission #771022

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
771022	2023-07-02 10:57:50	GordonRemzi007	Addk (eJOI21_addk)	C++17	100 / 100	289 ms	9508 KiB

Main

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#include <iostream>
#include <vector>
#define ll unsigned long long
using namespace std;
class SegmentTree {
    ll n, i = 0;
    vector<ll> seggy;
public:
    SegmentTree(ll size):n(size) {
        seggy = vector<ll>(2*n);
    }
    void build() {
        for(ll i = n-1; i > 0; i--) seggy[i] = seggy[2*i]+seggy[2*i+1];
    }
    void push(ll x) {
        seggy[n+i] = x;
        i++;
    }
    void update(ll x, ll y) {
        x+=n;
        seggy[x] = y;
        while(x > 1) {
            x/=2;
            seggy[x] = seggy[2*x]+seggy[2*x+1];
        }
    }
    ll query(ll x, ll y) {
        ll res = 0;
        for(x+=n, y+=n+1; x<y; x/=2, y/=2) {
 
 
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Compilation message (stderr)

Main.cpp: In member function 'void SegmentTree::print()':
Main.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   37 |         for(int i = 0; i < 2*n; i++) cout << seggy[i] << endl;
      |                        ~~^~~~~

• Subtask 1: 36 / 36
• Subtask 2: 56 / 56
• Subtask 3: 8 / 8