March 14, 2012, 1:15 am
#include <vector>
#include <iostream>
using namespace std;
void reverse(vector<int> &seq,int n1,int n2) {
for(;(n2-n1)>=1;) {
int temp = seq[n1]; seq[n1] = seq[n2]; seq[n2]=temp;
n1++;
n2--;
}
}
int main() {
int seq_len=4;
vector<int> seq;
for(int n=0;n<seq_len;n++) {seq.push_back(n);}
for(int n=0;n<seq.size();n++) cout << seq[n] << " ";
cout << endl;
for(int n=0;n<seq_len;n++) {
for(bool final=false;final==false;) {
final=true;
int k=0;
for(int n=0;n<(seq.size()-1);n++) {
if(seq[n] < seq[n+1]) {k=n; final=false;}
}
if(!final) {
int l;
for(int n=k+1;n<seq.size();n++) {
if(seq[k] < seq[n]) {
l=n;
}
}
int temp = seq[k]; seq[k] = seq[l]; seq[l] = temp;
reverse(seq,k+1,seq.size()-1);
for(int n=0;n<seq.size();n++) cout << seq[n] << " ";
cout << endl;
}
}
}
}
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