Pagini recente » Cod sursa (job #436161) | Cod sursa (job #17807) | Cod sursa (job #2564854) | Cod sursa (job #1932077) | Cod sursa (job #1505925)
#include<stdio.h>
#include<queue>
FILE *in, *out;
int N,M;
#define MAX 250001
int D[18][MAX];
int readNumber(FILE *&f)
{
int nr = 0;
int ok = 0;
char c;
fread(&c, 1, 1, f);
while (!feof(f))
{
if (c >= '0' && c <= '9')
{
nr = nr * 10 + (c - '0');
ok = 1;
}
else if (ok)
{
ok = 0;
break;
}
fread(&c, 1, 1, f);
}
return nr;
}
int main()
{
in = fopen("stramosi.in", "r");
out = fopen("stramosi.out", "w");
N=readNumber(in);
M=readNumber(in);
for (int i = 1;i <= N;++i)
D[0][i] = readNumber(in);
int i, j;
for (i = 1;(1 << i) <= N;++i)
for (j = 1;j <= N;++j)
D[i][j] = D[i - 1][D[i - 1][j]];
int P, Q;
for (i = 1;i <= M;++i)
{
Q=readNumber(in);
P=readNumber(in);
for (j = 0;P;P >>= 1, ++j)
if (P & 1)
Q = D[j][Q];
fprintf(out, "%d\n", Q);
}
return 0;
}