Submission #652549

#	Time	Username	Problem	Language	Result	Execution time	Memory
652549		jiahng	Scales (IOI15_scales)	C++14	38.46 / 100	1 ms	336 KiB

scales

#include "scales.h"

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> pi;
typedef vector <int> vi;
typedef vector <pi> vpi;
typedef pair<pi, ll> pii;
typedef set <ll> si;
typedef long double ld;
#define f first
#define s second
#define mp make_pair
#define FOR(i,s,e) for(int i=s;i<=int(e);++i)
#define DEC(i,s,e) for(int i=s;i>=int(e);--i)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define aFOR(i,x) for (auto i: x)
#define mem(x,i) memset(x,i,sizeof x)
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define maxn 200010
#define INF (ll)1e9
#define MOD 1000000007
typedef pair <vi, int> pvi;
typedef pair <int,pi> ipi;
typedef vector <pii> vpii;


vi ans;
int lans[6];
void solve(vi v){
    if (v.size() == 3){
        int a = getLightest(v[0],v[1],v[2]);
        int b = getMedian(v[0],v[1],v[2]);
        int c = getHeaviest(v[0],v[1],v[2]);
        ans.pb(a); ans.pb(b); ans.pb(c);
        return;
    }

    int mn = v[0];
    for (int i = 1; i < v.size(); i += 2){
        if (i + 1 == (int)v.size()){
            int x;
            aFOR(j, v) if (j != mn && j != v[i]) x = j;
            mn = getLightest(mn, v[i], x);
        }else mn = getLightest(mn, v[i], v[i+1]);
    }
    ans.pb(mn);
    v.erase(find(all(v), mn));
    solve(v);
}
void init(int T) {
}
void orderCoins() {
    ans.clear();
    solve({1,2,3,4,5,6});
    //aFOR(i, ans) cout << i << ' '; cout << '\n';
    FOR(i,0,5) lans[i] = ans[i];
    answer(lans);
}

Compilation message (stderr)

scales.cpp: In function 'void solve(vi)':
scales.cpp:45:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for (int i = 1; i < v.size(); i += 2){
      |                     ~~^~~~~~~~~~
scales.cpp: In function 'void init(int)':
scales.cpp:56:15: warning: unused parameter 'T' [-Wunused-parameter]
   56 | void init(int T) {
      |           ~~~~^
scales.cpp: In function 'void solve(vi)':
scales.cpp:49:29: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   49 |             mn = getLightest(mn, v[i], x);
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~

• Subtask 1: 38.461538 / 100