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Cod sursa(job #651687)
#include<fstream>
#define maxn 100001
using namespace std;
int n, j, v[maxn], m, choice, x;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int c0(int value, int low, int high)
{int mid;
while(low<=high)
{mid=low+(high-low)/2;
if(v[mid]==value)
if(v[mid+1]!=value)
return mid+1;
if(v[mid]>value)
high=mid-1;
else low=mid+1;
}
return -1;
}
int c1(int value, int low, int high)
{int mid;
while(low<high)
{mid=low+(high-low)/2;
if(v[mid]<=value)
low=mid+1;
else high=mid-1;
}
mid=low+(high-low)/2;
if(v[mid]>value)
mid--;
return mid+1;
}
int c2(int value, int low, int high)
{int mid;
while(low<high)
{mid=low+(high-low)/2;
if(v[mid]>=value)
high=mid-1;
else low=mid+1;
}
mid=low+(high-low)/2;
if(v[mid]<value)
mid++;
return mid+1;
}
int main()
{f>>n;
for(j=0; j<n; j++)
f>>v[j];
f>>m;
for(j=0; j<m; j++)
{f>>choice;
f>>x;
if(choice==0)
g<<c0(x, 0, n-1);
else if(choice==1)
g<<c1(x, 0, n-1);
else g<<c2(x, 0, n-1);
g<<endl;
}
f.close();
g.close();
return 0;
}