Submission #604313

#	Time	Username	Problem	Language	Result	Execution time	Memory
604313		cheissmart	Scales (IOI15_scales)	C++14	33.69 / 100	1 ms	212 KiB

scales

#include "scales.h"
#include <bits/stdc++.h>
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

const int INF = 1e9 + 7;

void init(int T) {

}

void orderCoins() {
    vi ans(6); iota(ALL(ans), 1);

    auto go = [&] (int x, int y, int z) {
        int a = ans[x], b = ans[y], c = ans[z];
        int mx = getHeaviest(a, b, c);
        int mn = getLightest(a, b, c);
        int md = a ^ b ^ c ^ mx ^ mn;
        ans[x] = mn, ans[y] = md, ans[z] = mx;
    };
    auto ins = [&] (int l, int r, int x) {
        int ql = -1, qr = -1;
        if((ql = getMedian(ans[l], ans[l + 1], ans[x])) == ans[l]) {
            int val = ans[x];
            ans.erase(ans.begin() + x);
            ans.insert(ans.begin(), val);
            return;
        }
        if((qr = getMedian(ans[r - 1], ans[r], ans[x])) == ans[r]) {
            int val = ans[x];
            ans.erase(ans.begin() + x);
            ans.insert(ans.begin() + r + 1, val);
            return;
        }
        for(int i = l; i + 1 <= r; i++) {
            int qi = -1;
            if(i == l) qi = ql;
            else if(i + 1 == r) qi = qr;
            else qi = getMedian(ans[i], ans[i + 1], ans[x]);
            if(qi == ans[x]) {
                int val = ans[x];
                ans.erase(ans.begin() + x);
                ans.insert(ans.begin() + i + 1, val);
                return;
            }
        }
        throw;
    };
    go(0, 1, 2);
    ins(0, 2, 3);
    ins(0, 3, 4);
    ins(0, 4, 5);

    int W[] = {ans[0], ans[1], ans[2], ans[3], ans[4], ans[5]};
    answer(W);
}

Compilation message (stderr)

scales.cpp: In function 'void init(int)':
scales.cpp:20:15: warning: unused parameter 'T' [-Wunused-parameter]
   20 | void init(int T) {
      |           ~~~~^

• Subtask 1: 33.690476 / 100