Pagini recente » Cod sursa (job #7372) | Cod sursa (job #193941) | Cod sursa (job #7433) | Cod sursa (job #1828413) | Cod sursa (job #2172450)
#include <stdio.h>
static int v[100000];
static int cb(int x, int n, int op)
{
int mid, pos;
for (mid = 1; mid < n; mid <<= 1)
;
for (pos = op == 2 ? n - 1 : 0; mid; mid >>= 1) {
if (op == 2) {
if (pos - mid >= 0 && v[pos - mid] >= x) {
pos -= mid;
}
} else {
if (pos + mid < n && v[pos + mid] <= x) {
pos += mid;
}
}
}
return pos;
}
int main(void)
{
int n, m, i, op, x, r;
freopen("cautbin.in", "r", stdin);
freopen("cautbin.out", "w", stdout);
for (scanf("%d", &n), i = 0; i < n; i++) {
scanf("%d", &v[i]);
}
for (scanf("%d", &m); m; m--) {
scanf("%d %d", &op, &x);
r = cb(x, n, op);
printf("%d\n", (op || v[r] == x) * (r + 1) + !(op || v[r] == x) * -1);
}
return 0;
}