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Cod sursa(job #414558)
#include<stdio.h>
FILE*f=fopen("cautbin.in","r");
FILE*g=fopen("cautbin.out","w");
int a,x,ii,mm,u,p,n,i,v[100001],m;
int main () {
fscanf(f,"%d",&n);
for(i=1;i<=n;i++)
fscanf(f,"%d",&v[i]);
fscanf(f,"%d",&mm);
for(ii=1;ii<=mm;ii++){
fscanf(f,"%d%d",&a,&x);
switch(a) {
case 0:{
p=1; u=n;
while(p<=u){
m=u-(u-p)/2;
if(x>=v[m])
p=m+1;
else
u=m-1;
}
if(x==v[u])
fprintf(g,"%d\n",u);
else
fprintf(g,"-1\n");
break;
}
case 1:{
p=1; u=n;
while(p<=u){
m=u-(u-p)/2;
if(x>=v[m])
p=m+1;
else
u=m-1;
}
fprintf(g,"%d\n",u);
break;
}
case 2:{
p=1; u=n;
while(p<=u){
m=u-(u-p)/2;
if(x<=v[m]){
u=m-1;
}
else{
p=m+1;
}
}
fprintf(g,"%d\n",p);
}
default:
printf("In loc de else");
};
}
fclose(f);
fclose(g);
return 0;
}