#include <bits/stdc++.h>
using namespace std;
int main()
{
ifstream fin("calcmare.in");
ofstream fout("calcmare.out");
long long a,b;
char c;
fin >> a >> b >> c;
if(c=='+')
fout << a+b;
else if(c=='-')
fout << a-b;
}
Răspuns:
#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ifstream f("calcmare.in");
ofstream g("calcmare.out");
char op,s1[1003],s2[1003];
short a[1003],b[1003],c[1003], t,r,i,lena,lenb,lenc,cif,dim;
int main()
{
f.getline(s1,1003);
f.getline(s2,1003);
f >> op;
lena=strlen(s1);
lenb=strlen(s2);
dim=max(lena,lenb);
for (i=0; i<lena; i++)
{
a[i]=s1[lena-1-i]-'0';
}
for (i=0; i<lenb; i++)
{
b[i]=s2[lenb-1-i]-'0';
}
if (op=='+')
{
for (i=0; i<dim; i++)
{
r=a[i]+b[i]+t;
c[i]=r%10;
t=r/10;
}
if (t) c[dim++]=t;
lenc=dim;
}
else
{
for (i=0; i<lena; i++)
{
if (a[i]>=b[i]) c[i]=a[i]-b[i];
else
{
t=i+1;
while (a[t]==0 && t<lena) a[t]=9;
--a[t];
c[i]=10+a[i]-b[i];
}
}
lenc=lena;
while (c[lenc-1]==0) --lenc;
}
for (i=lenc-1; i>=0; i--)
g << c[i];
return 0;
}
Explicație:
acest cod a luat acum 90 puncte pe pbinfo
DAca treci si celalalt test gresit esti super... Succese