Submission #140449

#	Time	Username	Problem	Language	Result	Execution time	Memory
140449		PedroBigMan	Sorting (IOI15_sorting)	C++14	20 / 100	3 ms	396 KiB

sorting

#include "sorting.h"
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
using namespace std;
typedef int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define INF ((ll) pow(2,63) -1)
ll insig;
#define In(vecBRO, LENBRO) REP(IBRO,0,LENBRO) {cin>>insig; vecBRO.pb(insig);}
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) 
{
    ll c1,c2;
    REP(i,0,M)
    {
        c1 = S[X[i]]; c2 = S[Y[i]];
        S[X[i]] = c2; S[Y[i]] = c1;
    }
    vector<ll> pos;
    REP(i,0,N) {pos.pb(0);}
    REP(i,0,N) {pos[S[i]]=i;}
    ll last=0;
    REP(i,0,N)
    {
        if(pos[i]!=i)
        {
            P[last] = i; Q[last] = pos[i];
            c1 = S[i]; c2 = S[pos[i]];
            S[i] = c2; S[pos[i]] = c1;
            pos[i] = i; pos[c1] = Q[last];
            last++;
        }
    }
    return last;
}

/*int main()
{
    ll N,M; cin>>N>>M; int S[N]; REP(i,0,N) {cin>>S[i];}
    int X[M],Y[M]; REP(i,0,M) {cin>>X[i]>>Y[i];}
    int P[M], Q[M]; 
    cout<<findSwapPairs(N,S,M,X,Y,P,Q)<<endl;
}*/

Compilation message (stderr)

sorting.cpp: In function 'void Out(std::vector<int>)':
sorting.cpp:11:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
sorting.cpp:20:29:
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                             ~~~~~~~~~~~~
sorting.cpp:20:25: note: in expansion of macro 'REP'
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                         ^~~

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 20
• Subtask 6: 0 / 26