제출 #1150068

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1150068	2025-02-13 17:26:39	vladilius	Boat (APIO16_boat)	C++20	0 / 100	2111 ms	402788 KiB

boat

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
const int mod = 1e9 + 7;
struct FT{
    vector<int> bit, a;
    int n;
    FT(int ns){
        n = ns;
        bit.resize(n + 1);
        a.resize(n + 1);
    }
    int get(int v){
        int out = 0;
        while (v > 0){
            out = (out + bit[v]) % mod;
            v = (v & (v + 1)) - 1;
        }
        return out;
    }
    void upd(int v, int x){
        x = (x - a[v]);
        a[v] = x;
        while (v <= n){
            bit[v] = (bit[v] + x) % mod;
 
 
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