Submission #551045

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
551045	2022-04-19 18:11:50	tatyam	Game (IOI13_game)	C++17	0 / 100	1 ms	468 KiB

game

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#include "game.h"
#include <bits/stdc++.h>
using namespace std;
using u32 = uint32_t;
using u64 = uint64_t;
u32 R, C;
struct DynamicSegTree{
    unordered_map<u32, u64> seg;
    u64 at(u32 x) const {
        auto p = seg.find(x);
        if(p == seg.end()) return 0;
        return p->second;
    }
    void set(u32 i, u64 x){
        i += C;
        seg[i] = x;
        while(i >= 2){
            x = gcd(x, at(i ^ 1));
            seg[i >>= 1] = x;
        }
    }
    u64 get(u32 l, u32 r) const {
        u64 ans = 0;
        l += C;
        r += C;
        while(l < r){
            if(l & 1) ans = gcd(ans, at(l++));
            if(r & 1) ans = gcd(ans, at(--r));
            l >>= 1;
 
 
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• Subtask 5: 0 / 20