Submission #235376

#	Time	Username	Problem	Language	Result	Execution time	Memory
235376		crossing0ver	Game (IOI13_game)	C++17	37 / 100	13101 ms	22784 KiB

game

#include<bits/stdc++.h>
#define ll long long
#include "game.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;
}
ll t[100][4*100001];
ll t1[2000][4*2001];
int pos,l,r,sd,R,C;
ll val;
void upd (int v,int tl,int tr) {
	if (tl == tr) {
		t[sd][v] = val;
		return;
	}
	int tm = (tl + tr)/2;
	if (pos <= tm) upd(v*2,tl,tm);
	else upd(v*2|1,tm+1,tr);
	t[sd][v] = gcd2(t[sd][v*2],t[sd][v*2|1]);
}
void upd1 (int v,int tl,int tr) {
	if (tl == tr) {
		t1[sd][v] = val;
		return;
	}
	int tm = (tl + tr)/2;
	if (pos <= tm) upd1(v*2,tl,tm);
	else upd1(v*2|1,tm+1,tr);
	t1[sd][v] = gcd2(t1[sd][v*2],t1[sd][v*2|1]);
}
ll get (int v,int tl,int tr) {
	if (l > tr || r < tl) return 0;
	if (l <= tl && r >= tr) {
		return t[sd][v];
	}
	int tm = (tl + tr)/2;
	return gcd2 ( get (v*2,tl,tm), get (v*2|1,tm+1,tr));
}
ll get1 (int v,int tl,int tr) {
	if (l > tr || r < tl) return 0;
	if (l <= tl && r >= tr) {
		return t1[sd][v];
	}
	int tm = (tl + tr)/2;
	return gcd2 ( get1 (v*2,tl,tm), get1 (v*2|1,tm+1,tr));
}
void update(int P, int Q, long long K) {
	sd = P;
	val = K; pos = Q;
	if (C > 2000 || R > 2000)
	upd (1,0,100000);
	else  upd1 (1,0,2000);
}
ll s;
long long calculate(int P, int Q, int U, int V) {
    s = 0;
    l = Q; r = V;
    if (C > 2000 || R > 2000)
    for (sd = P; sd <= U; sd++) 	
    	s = gcd2(s,get (1,0,100000));
    else 
    	for (sd = P; sd <= U; sd++)
			s = gcd2(s,get1 (1,0,2000));	
	return s;
}

void init(int R1, int C1) {R = R1; C = C1;}

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;
      ^~~
game.cpp: In function 'long long int calculate(int, int, int, int)':
game.cpp:69:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
     else 
     ^~~~
game.cpp:72:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
  return s;
  ^~~~~~

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