Submission #595604

#	Time	Username	Problem	Language	Result	Execution time	Memory
595604		Apiram	Scales (IOI15_scales)	C++14	45.45 / 100	1 ms	212 KiB

scales

#include "scales.h"
#include <bits/stdc++.h>
using namespace std;
void init(int T) {
	//1 2 3 4 5 6
	// 5 - operations to get first and last value -> call median 4times then maximum or minimum 1 times
	// 2 - median call to get middle value
	// 2 call to do remaining
	// 9 calls to sort
}
//3 4 6 2 1 5
void orderCoins() {
   vector<int>ans = {1,2,3,4,5,6};
   auto exchange = [&](int i,int j,int p,int q,int r){
		for (auto x:{p,q,r}){
			if (ans[x] == i)ans[x] = j;
			else if (ans[x] == j)ans[x] =i;
		}
	};
	// 3 -> 3 2 1 4 5 6
   int a = getLightest(ans[0],ans[1],ans[2]);
	exchange(a,ans[0],0,1,2);
	a = getLightest(ans[0],ans[3],ans[4]);
	exchange(a,ans[0],0,3,4);
	a = getLightest(ans[0],ans[4],ans[5]);
	exchange(a,ans[0],0,4,5);
	bool ok = false;
	if (ans[5]!=6){
		swap(ans[5],ans[1]);
		ok = true;
	}
	a = getHeaviest(ans[5],ans[2],ans[3]);
	exchange(a,ans[5],5,2,3);
	a = getHeaviest(ans[1],ans[4],ans[5]);
	exchange(a,ans[5],1,4,5);
	if (!ok){
		a = getLightest(ans[1],ans[2],ans[3]);
		exchange(a,ans[1],1,2,3);
		a = getLightest(ans[1],ans[3],ans[4]);
		exchange(a,ans[1],1,3,4);
	}
	a = getHeaviest(ans[2],ans[3],ans[4]);
	exchange(a,ans[4],2,3,4);
	a = getLightest(ans[2],ans[3],ans[4]);
	exchange(a,ans[2],2,3,4);
   answer(ans.data());
	return;
}

Compilation message (stderr)

scales.cpp: In function 'void init(int)':
scales.cpp:4:15: warning: unused parameter 'T' [-Wunused-parameter]
    4 | void init(int T) {
      |           ~~~~^

• Subtask 1: 45.454545 / 100