제출 #289971

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
289971		egekabas	게임 (IOI13_game)	C++14	0 / 100	1 ms	512 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<ll, ll> pii;
typedef pair<ld, ld> pld;
long long gcd2(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}
struct node{
    ll tl, tr, val;
    node *l = nullptr, *r = nullptr;
    node(ll tlval, ll trval){
        tl = tlval;
        tr = trval;
        val = 0;
    };
    void upd(ll idx, ll nv){
        if(tl == idx && tr == idx){
            val = nv;
            return;
        }
        ll tm = (tl+tr)/2;
        if(idx <= tm){
            if(!l)
                l = new node(tl, tm);
            l->upd(idx, nv);
        }
        else{
            if(!r)
                r = new node(tm+1, tr);
            r->upd(idx, nv);
        }
        val = 0;
        if(l)
            val = gcd2(val, l->val);
        if(r)
            val = gcd2(val, r->val);        
    }
    ll get(ll lef, ll rig){
        
        if(tr < lef || rig < tl)
            return 0;
        if(lef <= tl && tr <= rig){
            return val;
        }
        ll xval = 0, yval = 0;
        if(l)
            xval = l->get(lef, rig);
        if(r)
            yval = r->get(lef, rig);
        return gcd2(xval, yval);
    }
};
ll r, c;
struct seg{
    ll tl, tr;
    node *val;
    seg *l = nullptr, *r = nullptr;
    seg(ll tval, ll rval){
        tl = tval;
        tr = rval;
        val = new node(0, c-1);
    }
    seg(){}
    void upd(ll xidx, ll yidx, ll nv){
        val->upd(yidx, nv);
        if(tl == xidx && tr == xidx){
            return;
        }
        ll tm = (tl+tr)/2;
        if(xidx <= tm){
            if(!l)
                l = new seg(tl, tm);
            l->upd(xidx, yidx, nv);
        }
        else{
            if(!r)
                r = new seg(tm+1, tr);
            r->upd(xidx, yidx, nv);
        }
    }
    ll get(ll xl, ll xr, ll yl, ll yr){
        if(tr < xl || xr < tl)
            return 0;
        if(xl <= tl && tr <= xr){
            return val->get(yl, yr);
        }
        ll xval = 0, yval = 0;
        if(l)
            xval = l->get(xl, xr, yl, yr);
        if(r)
            yval = r->get(xl, xr, yl, yr);
        return gcd2(xval, yval);
    }
};
seg root;
void init(int R, int C) {
    r = R;
    c = C;
    root = seg(0, r-1);
}

void update(int P, int Q, long long K) {
    root.upd(P, Q, K);
}

long long calculate(int P, int Q, int U, int V) {
    
    
    return root.get(P, U, Q, V);
}

컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   18 |  int res;
      |      ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 27
• Subtask 3: 0 / 26
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20