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Cod sursa(job #240279)
#include <stdio.h>
#include <algorithm>
using namespace std;
int n,x,a[301],b[301],sw[601][1],swcnt;
FILE* f=fopen("grozavesti.in","r");
FILE* g=fopen("grozavesti.out","w");
void swap(int p1, int p2){
swcnt++;
int aux=a[p1];
a[p1]=a[p2];
a[p2]=aux;
sw[swcnt][0]=p1;
sw[swcnt][1]=p2;
}
int main (int argc,char* argv[]) {
fscanf(f,"%d",&n);
int i,j;
for (i=1; i<=n; i++) {
for (j=1; j<=n; j++) {
fscanf(f,"%d",&x);
if (i==j) {
a[i]=x;
}
}
}
for (i=1; i<=n; i++) {
b[i]=a[i];
}
sort(b+1,b+n+1);
for (i=1; i<=n-1; i++){
for (j=i+1; j<=n; j++){
if (b[i]==a[j]) {
swap(i,j);
}
}
}
fprintf(g,"%d\n",swcnt);
for (i=1; i<=swcnt; i++) {
fprintf(g,"L %d %d\n",sw[i][0],sw[i][1]);
}
fprintf(g,"\n");
fclose(f);
fclose(g);
}