poj2562

简单题，类似高精度

View Code

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
using namespace std;

#define maxn 12

char num1[maxn], num2[maxn];

int main()
{
//freopen("t.txt", "r", stdin);
while (1)
{
scanf("%s%s", num1, num2);
if (strcmp(num1, "0") == 0 && strcmp(num2, "0") == 0)
break;
reverse(num1, num1 + strlen(num1));
reverse(num2, num2 + strlen(num2));
int len, len2;
if (strlen(num1) > strlen(num2))
{
len = strlen(num2);
len2 = strlen(num1);
for (int i = len; i < len2; i++)
num2[i] = '0';
}
else
{
len = strlen(num1);
len2 = strlen(num2);
for (int i = len; i < len2; i++)
num1[i] = '0';
}
int temp = 0, jw = 0;
int ans = 0;
for (int i = 0; i < len2; i++)
{
int a = num1[i] - '0';
int b = num2[i] - '0';
temp = a + b + jw;
jw = temp / 10;
if (jw > 0)
ans++;
}
if (ans == 0)
{
printf("No carry operation.\n");
}else if (ans == 1)
{
printf("1 carry operation.\n");
}else
{
printf("%d carry operations.\n", ans);
}
}
return 0;
}

转载于:https://www.cnblogs.com/rainydays/archive/2011/05/20/2051919.html