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Cod sursa(job #645870)
#include<fstream>
using namespace std;
int v[100001];
int c0(int x,int i,int j)
{int mijl;
while(i<=j)
{mijl=(i+j)/2;
if(x==v[mijl])
{while(x==v[mijl]) mijl++;
return (mijl-1);
}
else
if(x<v[mijl]) j=mijl-1;
else i=mijl+1;
}
return -1;
}
int c1(int x,int i,int j)
{int mijl;
while(i<=j)
{mijl=(i+j)/2;
if(x==v[mijl])
{while(x==v[mijl]) mijl++;
return (mijl-1);
}
else
if(x<v[mijl]) j=mijl-1;
else i=mijl+1;
}
return (i-1);
}
int c2(int x,int i,int j)
{int mijl;
while(i<=j)
{mijl=(i+j)/2;
if(x==v[mijl])
{while(x==v[mijl]) mijl--;
return (mijl+1);
}
else
if(x<mijl) j=mijl-1;
else i=mijl+1;
}
return i;
}
int main()
{int n,m,i,x,tip;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
f>>m;
for(i=1;i<=m;i++)
{f>>tip;
f>>x;
if(tip==0) g<<c0(x,1,n)<<endl;
else
if(tip==1) g<<c1(x,1,n)<<endl;
else g<<c2(x,1,n)<<endl;
}
f.close();
g.close();
return 0;
}