Submission #289934

#	Time	Username	Problem	Language	Result	Execution time	Memory
289934		MarcoMeijer	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
#include "grader.cpp"
using namespace std;

//macros
typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define INF 1e9
#define pb push_back
#define fi first
#define se second

const int MX = 1e5;

int n=0;
ll ans=0;
map<int,queue<int>> last;

int ft[MX];
void addFT(int i, int v) {
    for(i++; i<=n; i+=i&-i) ft[i]+=v;
}
int getFT(int i) {
    int res = 0;
    for(i++; i; i-=i&-i) res += ft[i];
    return res;
}

ll count_swaps(vi s) {
    n = s.size();
    RE(i,n+2) ft[i] = 0;
    RE(i,n) addFT(i+1,1);
    RE(i,n) {
        if(!last[-s[i]].empty()) {
            int j = last[-s[i]].front(); last[-s[i]].pop();
            if(s[i] > 0) {
                ans += getFT(j);
                addFT(j,-1);
                ans += getFT(i);
                addFT(i,-1);
            } else {
                ans += getFT(i);
                addFT(i,-1);
                ans += getFT(j);
                addFT(j,-1);
            }
        } else {
            last[s[i]].push(i);
        }
    }
	return ans;
}

Compilation message (stderr)

/tmp/cc4trOSB.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cceT2svG.o:shoes.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status