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Cod sursa(job #594575)
#include <stdio.h>
#include <stdlib.h>
#define file_in "lacate.in"
#define file_out "lacate.out"
int main ( void ) {
int N;
FILE *fin = fopen(file_in,"r");
FILE *fout = fopen(file_out,"w");
fscanf(fin,"%d",&N);
fclose(fin);
int *V = (int *) calloc ( (N-1) , sizeof(int) );
fprintf(fout, "%d %d\n", (( N*(N-1) ) /2) , (N-1) );
int i, j;
for(i=0;i<N;++i) {
for(j=0;j<i-1;++j)
fprintf(fout, "%d ", ++V[j]);
if (i>=1) fprintf(fout,"%d ", V[i-1]);
for (j=1;j<N-i;++j)
fprintf(fout, "%d ", V[N-2]+j);
if ( i < N-1 ) V[i] = V[N-2]+1;
if ( i < N-2 ) V[N-2] += N-i-1;
fprintf(fout,"\n");
}
free(V);
fclose(fout);
return 0;
}