Submission #136818

#	Time	Username	Problem	Language	Result	Execution time	Memory
136818		Juney	Game (IOI13_game)	C++14	63 / 100	3402 ms	256000 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;

#define MAX_RANGE 1000000000
#define QUERY_SIZE 250000
#define gcd(x, y) gcd2(x, y)

typedef long long ll;

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 CNODE {
    int l, r; ll val;
    CNODE() : l(0), r(0), val(0) {}
};

int ct_sz = 1;
CNODE CT[QUERY_SIZE * 30];
struct CDST {
    int root = 0;
    int get_root() {
        if(root == 0) root = ++ct_sz;
        return root;
    }
    void update(int y, ll val, int l, int r, int n) {
        if(l == r) {
            CT[n].val = val;
            return;
        }
        int mid = (l + r) >> 1;
        if(y <= mid) {
            if(CT[n].l == 0) CT[n].l = ++ct_sz;
            update(y, val, l, mid , CT[n].l);
        }
        else {
            if(CT[n].r == 0) CT[n].r = ++ct_sz;
            update(y, val, mid+1, r, CT[n].r);
        }
        CT[n].val = gcd(CT[CT[n].l].val, CT[CT[n].r].val);
    }
    void update(int y, ll val, int n) {
        update(y, val, 1, MAX_RANGE, n);
    }
    ll query(int c1, int c2, int l, int r, int n) {
        if(n == 0 || r < c1 || c2 < l) return 0;
        if(c1 <= l && r <= c2) return CT[n].val;
        int mid = (l + r) >> 1;
        return gcd(query(c1, c2, l, mid, CT[n].l), query(c1, c2, mid+1, r, CT[n].r));
    }
    ll query(int c1, int c2, int n) {
        return query(c1, c2, 1, MAX_RANGE, n);
    }
};

struct RNODE {
    int l, r, croot; CDST val;
    RNODE() : l(0), r(0), croot(0) {}
};

int rt_sz = 1;
RNODE RT[QUERY_SIZE * 4];

struct RDST {
    void mrg(int y, int n, int ln, int rn, int l=1, int r=MAX_RANGE) {
        CT[n].val = gcd(CT[ln].val, CT[rn].val);
        if(l == r) return;
        int mid = (l + r) >> 1;
        if(y <= mid) {
            if(CT[n].l == 0) CT[n].l = ++ct_sz;
            mrg(y, CT[n].l, CT[ln].l, CT[rn].l, l, mid);
        }
        else {
            if(CT[n].r == 0) CT[n].r = ++ct_sz;
            mrg(y, CT[n].r, CT[ln].r, CT[rn].r, mid+1, r);
        }
    }
    void update(int x, int y, ll val, int l=1, int r=MAX_RANGE, int n=1) {
        if(l == r) {
            RT[n].val.update(y, val, RT[n].val.get_root());
            return;
        }
        int mid = (l + r) >> 1;
        if(x <= mid) {
            if(RT[n].l == 0) RT[n].l = ++rt_sz;
            update(x, y, val, l, mid, RT[n].l);
        }
        else {
            if(RT[n].r == 0) RT[n].r = ++rt_sz;
            update(x, y, val, mid+1, r, RT[n].r);
        }
        mrg(y, RT[n].val.get_root(), RT[RT[n].l].val.get_root(), RT[RT[n].r].val.get_root());
    }
    ll query(int r1, int c1, int r2, int c2, int l=1, int r=MAX_RANGE, int n=1) {
        if(n == 0 || r < r1 || r2 < l) return 0;
        if(r1 <= l && r <= r2) return RT[n].val.query(c1, c2, RT[n].val.get_root());
        int mid = (l + r) >> 1;
        return gcd(query(r1, c1, r2, c2, l, mid, RT[n].l), query(r1, c1, r2, c2, mid+1, r, RT[n].r));
    }
} dst;

void init(int R, int C) {
    /* ... */
}

void update(int P, int Q, long long K) {
    dst.update(P+1, Q+1, K);
}

long long calculate(int P, int Q, int U, int V) {
    return dst.query(P+1, Q+1, U+1, V+1);
}

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: 26 / 26
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20