Submission #135869

#	Time	Username	Problem	Language	Result	Execution time	Memory
135869		mirbek01	Game (IOI13_game)	C++11	37 / 100	13098 ms	40140 KiB

game

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

using namespace std;

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;
}

int n;
vector < vector <long long> > t;

void upd(int tp, int pos, long long val, int v = 1, int tl = 1, int tr = n){
	if(tl == tr)
		t[tp][v] = val;
	else {
		int tm = (tl + tr) >> 1;
		if(pos <= tm)
			upd(tp, pos, val, v << 1, tl, tm);
		else 
			upd(tp, pos, val, v << 1 | 1, tm + 1, tr);
		t[tp][v] = gcd2(t[tp][v << 1], t[tp][v << 1 | 1]);
	}
}

long long get(int tp, int l, int r, int v = 1, int tl = 1, int tr = n){
	if(l > tr || tl > r) 
		return 0ll;
	if(l <= tl && tr <= r)
		return t[tp][v];
	int tm = (tl + tr) >> 1;
	return gcd2(get(tp, l, r, v << 1, tl, tm), get(tp, l, r, v << 1 | 1, tm + 1, tr));
}

void init(int R, int C) {
	t.resize(R);
	n = C;
	for(int i = 0; i < R; i ++)
		t[i].resize(4 * (C + 1));
}

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

long long calculate(int P, int Q, int U, int V) {
	long long ans = 0;
	for(int i = P; i <= U; i ++)
		ans = gcd2(ans, get(i, Q + 1, V + 1));
	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