Cod sursa(job #920592)

Utilizator alexalghisiAlghisi Alessandro Paolo alexalghisi Data 20 martie 2013 15:50:47
Problema Grozavesti Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.82 kb
#include <iostream>
#include <fstream>
#include <vector>
#define DN 304
#define mp make_pair
#define pb push_back
using namespace std;

int m[DN][DN];
vector< pair<int,int> > op;

int main()
{
    int n;
    ifstream f("grozavesti.in");
    ofstream g("grozavesti.out");
    f>>n;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            f>>m[i][j];

    for(int i=1;i<=n;++i) // rezolv pozitia i
    {
        int minim=1<<30,poz=i;
        for(int j=i;j<=n;++j)
            if(m[j][j]<minim)
                minim=m[j][j],poz=j;
        if(poz!=i)
        {
            swap(m[i][i],m[poz][poz]);
            op.pb(mp(i,poz)); /// L
            op.pb(mp(i,poz)); /// C
        }
    }
    g<<op.size()<<"\n";
    for(int i=0;i<op.size();++i)
        g<<((i%2==1)?"L ":"C ")<<op[i].first<<" "<<op[i].second<<"\n";
    return 0;
}