Pagini recente » Cod sursa (job #1068229) | Cod sursa (job #1840093) | Cod sursa (job #1898820) | Cod sursa (job #350415) | Cod sursa (job #2696261)
#include <stdio.h>
#define NMAXX 250000
#define PUTMAXX 17
int mat[PUTMAXX + 1][NMAXX + 1];
int main() {
FILE *fin, *fout;
int n, m, i, l, c, x, poz, baza2;
fin = fopen( "stramosi.in", "r" );
fout = fopen( "stramosi.out", "w" );
fscanf( fin, "%d%d", &n, &m );
for ( i = 1; i <= n; i++ ) {
fscanf( fin, "%d", &mat[0][i] );
}
for ( l = 1; ( 1 << l ) <= n; l++ ) {
for ( c = 1; c <= n; c++ ) {
mat[l][c] = mat[l - 1][mat[l - 1][c]];
}
}
for ( i = 0; i < m; i++ ) {
fscanf( fin, "%d%d", &x, &poz );
baza2 = 0;
while ( poz > 0 ) {
if ( poz % 2 == 1 )
x = mat[baza2][x];
baza2++;
poz /= 2;
}
fprintf( fout, "%d\n", x );
}
fclose( fin );
fclose( fout );
return 0;
}