2018 huawei 1
#include <iostream>
#include <string.h>
using namespace std;
int main(){
char st[1000],te;
cin >> st;
int le = strlen(st);
char *f = new char[le];
int i, j;
bool flag=false;
for (i = 0; i < le; i++)
{
f[i] = '1';
}
for (i = le - 1; i >= 0; i--)
{
flag = true;
te = st[i];
if (f[i] == '0')
{
continue;
}
for (j = i - 1; j >= 0; j--)
{
if (st[j] == te)
{
flag = false;
f[j] = '0';
//break;
}
}
if (flag)
{
cout << te << endl;
break;
}
}
return 0;
}
a80%
huawei 2
#include <iostream>
#include <string.h>
using namespace std;
void reverse(char *s, int n)
{
for (int i = 0, j = n - 1; i < j; i++, j--)
{
char c = s[i];
s[i] = s[j];
s[j] = c;
}
}
int main(){
char st[1000];
cin.get(st, 1000);
int le = strlen(st), n = 0, i;
for (i = 0; i < le; i++)
{
if (st[i] == ' ')
{
reverse(st + i - n, n);
n = 0;
continue;
}
n++;
}
if (st[i - 1] != ' ')
{
reverse(st + i - n, n);
}
cout << st;
return 0;
}
a100%
huawei 3
/*20000000000000000000
30000000000000000000
600000000000000000000000000000000000000*/
#include <iostream>
#include <string.h>
using namespace std;
int main(){
char m1[20], m2[20];
char result[40];
std::vector<int> v(10);
std::vector<std::string> vv = { "a","b","c" };
std::vector<int> vvv(10, 1);
int aa[5] = { 1,2,3,4,5 }; std::vector<int> bb(aa, aa + 5);
cin >> m1;
cin >> m2;
int l1 = strlen(m1);
int l2 = strlen(m2);
int i, j, t, p;
for (i = 0; i < 40; i++)
{
result[i] = '0';
}
int add = 0, su, mo = 0, yu = 0,r=0,jj=0,jin=0,tt;
for (i = l2 - 1; i >= 0; i--)
{
t = m2[i] - '0';
for (j = l1 - 1; j >= 0; j--)
{
p = m1[j] - '0';
su = t * p + mo + jin;
mo = su / 10;
yu = su % 10;
add = result[r] - '0' + yu;
jin = add / 10;
result[r++] = add % 10 + '0';
}
if (mo > 0)
{
add = result[r] - '0' + mo ;
jin = add / 10;
result[r++] = add % 10 + '0';
result[r] = jin + result[r];
}
mo = 0;
jj++;
tt = r;
r = jj;
}
if (result[tt] == '0')
{
result[tt] = '\0';
}
int ll = strlen(result);
for (i = ll - 1; i >= 0; i--)
{
cout << result[i];
}
cout << endl;
return 0;
}