Submission #276911

# Submission time Handle Problem Language Result Execution time Memory
276911 2020-08-20T18:40:21 Z _7_7_ Game (IOI13_game) C++14
0 / 100
7 ms 512 KB
#include "game.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
//#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
 
 
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
 
 
 
 
typedef pair < long long, long long > pll;    
typedef unsigned long long ull;
typedef pair < int, int > pii;
typedef vector < pii > vpii;
typedef vector < int > vi;
typedef long double ldb;  
typedef long long ll;  
typedef double db;
 
typedef tree < int, null_type, less < int >, rb_tree_tag, tree_order_statistics_node_update > ordered_set;
 
const int inf = 1e9, maxn = 660045, mod = 998244353, N = 8e6 + 11;
const int dx[] = {-1, 0, 1, 0}, dy[] = {0, -1, 0, 1}, block = 300;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = acos(-1);
const ll INF = 1e18;

int Sz;

struct ST {
	int l, r;
	ll g;
};

ST T[N];

void upd1 (int pos, ll x, int v, int tl = 0, int tr = inf - 1) {
	if (tl == tr) {
		T[v].g = x;
		return;
	}

	int tm = (tl + tr) >> 1;
	if (pos <= tm) {
		if (!T[v].l) 
			T[v].l = ++Sz;
		upd1(pos, x, T[v].l, tl, tm);
	} else {
		if (!T[v].r)
			T[v].r = ++Sz;
		upd1(pos, x, T[v].r, tm + 1, tr);
	}

	T[v].g = __gcd(T[T[v].l].g, T[T[v].r].g);
}

ll get1 (int l, int r, int v, int tl = 0, int tr = inf - 1) {
	if (l > r || tl > r || l > tr)
		return 0;

	if (l <= tl && tr <= r)
		return T[v].g;

	int tm = (tl + tr) >> 1;
	
	ll res = 0;
	
	if (T[v].l)
		res = get1(l, r, T[v].l, tl, tm);

	if (T[v].r)
		res = __gcd(res, get1(l, r, T[v].r, tm + 1, tr));

 	return res;
}

ll get2 (int pos, int v, int tl = 0, int tr = inf - 1) {
	if (tl == tr) 
		return T[v].g; 

	int tm = (tl + tr) >> 1;
	if (pos <= tm) {
		if (!T[v].l)
			return 0;
		return get2(pos, T[v].l, tl, tm);
	}

	if (!T[v].r)
		return 0;

	return get2(pos, T[v].r, tm + 1, tr);
}


struct STT {
	int l, r, v;
};

STT TT[maxn];

int Sz1;



void upd (int x, int y, ll z, int v = 1, int tl = 0, int tr = inf - 1) {
	if (tl == tr) {
		upd1(y, z, TT[v].v);
		return;
	}

	int tm = (tl + tr) >> 1;

	if (x <= tm) {
		if (!TT[v].l) {
//			assert(Sz + 1 < N);
//			assert(Sz1 + 1 < maxn);
			TT[v].l = ++Sz1;
			TT[Sz1].v = ++Sz;
		}
		upd(x, y, z, TT[v].l, tl, tm);
	} else {
		if (!TT[v].r) {
//			assert(Sz + 1 < N);
//			assert(Sz1 + 1 < maxn);
			TT[v].r = ++Sz1;
			TT[Sz1].v = ++Sz;
		}
		upd(x, y, z, TT[v].r, tm + 1, tr);
	}

	ll cur = 0;
	if (TT[v].l) 
		cur = get2(y, TT[TT[v].l].v); 
	
	if (TT[v].r)
		cur = __gcd(cur, get2(y, TT[TT[v].r].v));

	upd1(y, cur, TT[v].v);
}

ll get (int l, int r, int x, int y, int v, int tl = 0, int tr = inf - 1) {
	if (l > r || tl > r || l > tr)
		return 0;

	if (l <= tl && tr <= r)
		return get1(x, y, TT[v].v);

	int tm = (tl + tr) >> 1;	
	
	ll res = 0;
	
	if (TT[v].l)
		res = get(l, r, x, y, TT[v].l, tl, tm);

	if (TT[v].r)
		res = __gcd(res, get(l, r, x, y, TT[v].r, tm + 1, tr));

	return res;
}


void init(int n, int m) {
	assert(0);
	TT[++Sz1].v = ++Sz;
}

void update(int x, int y, ll z) {
//	cerr << x << ' ' << y << ' ' << z << endl;
	upd(x, y, z, 1);
}

long long calculate(int lf, int x, int rg, int y) {		
//	cerr << x << ' ' << y << ' ' << lf << ' ' << rg << endl;
    return get(lf, rg, x, y, 1);
}





Compilation message

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   18 |  int res;
      |      ^~~
# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 504 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -