Cod sursa(job #2961521)

Utilizator lucriLuchian Cristian lucri Data 6 ianuarie 2023 16:54:34
Problema Grozavesti Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.13 kb
#include <bits/stdc++.h>
std::ifstream cin("grozavesti.in");
std::ofstream cout("grozavesti.out");
int n,v[310][310],nr,lmin,cmin;
struct raspuns{char t;int b,e;}ans[610];
void sl(int pozi,int a,int b)
{
    for(int i=pozi;i<=n;++i)
        v[a][i]^=v[b][i]^=v[a][i]^=v[b][i];
}
void sc(int pozi,int a,int b)
{
    for(int i=pozi;i<=n;++i)
        v[i][a]^=v[i][b]^=v[i][a]^=v[i][b];
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            cin>>v[i][j];
    for(int k=1;k<=n;++k)
    {
        lmin=cmin=k;
        for(int i=k;i<=n;++i)
            for(int j=k;j<=n;++j)
                if(v[i][j]<v[lmin][cmin])
                {
                    lmin=i;
                    cmin=j;
                }
        if(lmin!=k)
        {
            ++nr;
            ans[nr]={'L',k,lmin};
            sl(k+1,k,lmin);
        }
        if(cmin!=k)
        {
            ++nr;
            ans[nr]={'C',k,cmin};
            sc(k+1,k,cmin);
        }
    }
    cout<<nr<<'\n';
    for(int i=1;i<=nr;++i)
        cout<<ans[i].t<<' '<<ans[i].b<<' '<<ans[i].e<<'\n';
    return 0;
}