Submission #99097

#	Time	Username	Problem	Language	Result	Execution time	Memory
99097		figter001	Game (IOI13_game)	C++14	37 / 100	13045 ms	131188 KiB

game

#include "game.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
const int N = 1e5+50;
const ll oo = 1e18;
const ll mod = 1e9+7;

ll seg2[11][4*N];
int c,type,ro,up,dw;

struct node{
    ll sub[4500];
}seg[4500];

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;
}

ll l,r,val,cur,in;

void update2(int n,int s,int e){
    if(s > cur || e < cur)return;
    if(s == e){
        seg[in].sub[n] = val;
        return;
    }
    update2(n*2,s,(s+e)/2);
    update2(n*2+1,(s+e)/2+1,e);
    seg[in].sub[n] = gcd2(seg[in].sub[n*2],seg[in].sub[n*2+1]);
}

void merge(int n,int s,int e){
    if(s == e){
        seg[in].sub[n] = gcd2(seg[in*2].sub[n],seg[in*2+1].sub[n]);
        return;
    }
    merge(n*2,s,(s+e)/2);
    merge(n*2+1,(s+e)/2+1,e);
    seg[in].sub[n] = gcd2(seg[in].sub[n*2],seg[in].sub[n*2+1]);
}

void update1(int n,int s,int e){
    if(s > r || e < l)return;
    if(s == e){
        if(type){
            in = n;
            update2(1,1,ro);
        }else seg2[cur][n] = val;
        return;
    }
    update1(n*2,s,(s+e)/2);
    update1(n*2+1,(s+e)/2+1,e);
    if(type){
        in = n;
        merge(1,1,ro);
    }else seg2[cur][n] = gcd2(seg2[cur][n*2],seg2[cur][n*2+1]);
}

int l1,r1;
ll get1(int n,int s,int e){
    if(s > r1 || e < l1)return 0;
    if(s >= l1 && e <= r1)return seg[in].sub[n];
    return gcd2(get1(n*2,s,(s+e)/2),get1(n*2+1,(s+e)/2+1,e));
}

ll get(int n,int s,int e){
    if(s > r || e < l)return 0;
    if(s >= l && e <= r){
        if(type){
            in = n;
            l1 = up;
            r1 = dw;
            //cout << in << ' ' << up << ' ' << dw << endl;
            return get1(1,1,ro);
        }
        else return seg2[cur][n];
    }
    return gcd2(get(n*2,s,(s+e)/2),get(n*2+1,(s+e)/2+1,e));
}

void init(int R, int C) {
    type = R>10;
    c=C;
    ro=R;
}

void update(int P, int Q, long long K) {
    Q++;
    P++;
    l = r = Q;
    val = K;
    cur = P;
    update1(1,1,c);
}

long long calculate(int P, int Q, int U, int V) {
    l = Q+1;
    r = V+1;
    ll ans = 0;
    up = P+1;
    dw = U+1;
    if(type)ans = get(1,1,c);
    else{
        for(int i=P+1;i<=U+1;i++){
            cur = i;
            ans = gcd2(ans,get(1,1,c));
        }
    }
    return ans;
}

Compilation message (stderr)

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

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