Pagini recente » Cod sursa (job #1144198) | Cod sursa (job #552034) | Cod sursa (job #335436) | Cod sursa (job #2624019) | Cod sursa (job #685946)
Cod sursa(job #685946)
#include <stdio.h>
#define N 100001
#define INF 2000000000
int v[N];
int n;
int cautbin0(int x) {
int st = 1, dr = n, m;
while(dr - st >= 2) {
m = (st+dr)/2;
//printf("***%d %d -> %d\n", st, dr,m);
if(v[m] <= x) st = m;
else dr = m;
}
if(v[dr] == x) return dr;
if(v[st] == x) return st;
return -1;
}
int cautbin1(int x) {
int st = 1, dr = n, m;
while(dr - st >= 2) {
m = (st+dr)/2;
if(v[m] <= x) st = m;
else dr = m;
}
if(v[dr] <= x) return dr;
return st;
}
int cautbin2(int x) {
int st = 1, dr = n, m;
while(dr - st >= 2) {
m = (st+dr)/2;
if(v[m] < x) st = m;
else dr = m;
}
if(v[st] >= x) return st;
return dr;
}
int main(){
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
scanf("%d", &n);
for(int i = 1;i <= n; i++) {
scanf("%d",&v[i]);
}
v[n+1] = INF;
int m;
scanf("%d", &m);
for(int i =1 ;i <= m; i++) {
int x, y;
scanf("%d%d", &x, &y);
if(x == 0) printf("%d\n", cautbin0(y));
else if(x == 1) printf("%d\n", cautbin1(y));
else printf("%d\n", cautbin2(y));
}
return 0;
}