Cod sursa(job #1135942)
Utilizator | Data | 8 martie 2014 16:34:36 | |
---|---|---|---|
Problema | Hashuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include<stdio.h>
#include<map>
using namespace std;
map<int,int> mp;
int main()
{
FILE *fin,*fout;
fin=fopen("hashuri.in","r");
fout=fopen("hashuri.out","w");
int n;
fscanf(fin,"%d",&n);
int i;
for(i=0;i<n;i++)
{
int tip,val;
fscanf(fin,"%d%d",&tip,&val);
if(tip==1)
mp[val]++;
if(tip==2)
mp[val]--;
if(tip==3)
{
if(mp[val]>0)
fprintf(fout,"1\n");
else
fprintf(fout,"0\n");
}
}
return 0;
}