#include<iostream> |
using namespace std; |
int main(){ |
int a; |
cin>>a; |
char ch_arr1[1005], ch_arr2[1005]; |
int ch_arr3[1005]; |
|
for ( int i = 0; i < a; i++){ |
cin>>ch_arr1>>ch_arr2; |
|
//char *ch_arr3, *ch_arr4; |
int ch_arr1_len, ch_arr2_len; |
ch_arr1_len = strlen (ch_arr1); |
ch_arr2_len = strlen (ch_arr2); |
|
|
int ch_arr3_index; |
if (ch_arr1_len > ch_arr2_len){ |
ch_arr3_index = ch_arr1_len + 1; |
} else { |
ch_arr3_index = ch_arr2_len + 1; |
} |
ch_arr1_len--; |
ch_arr2_len--; |
ch_arr3_index--; |
int temp = ch_arr3_index; //用于后面的打印 |
memset (ch_arr3, 0, sizeof ( int )*1005); //先置为0 |
for ( ; ch_arr1_len >= 0 && ch_arr2_len >= 0; |
ch_arr1_len--, ch_arr2_len--, ch_arr3_index--){ //for start |
ch_arr3[ch_arr3_index] = ch_arr3[ch_arr3_index] + (ch_arr1[ch_arr1_len] - '0' ) |
+ (ch_arr2[ch_arr2_len] - '0' ); |
if (ch_arr3[ch_arr3_index] >= 10){ |
ch_arr3[ch_arr3_index] %= 10; |
ch_arr3[ch_arr3_index - 1] = 1; |
} |
} //for end. |
while (ch_arr1_len != -1){ |
ch_arr3[ch_arr3_index] = ch_arr3[ch_arr3_index] + (ch_arr1[ch_arr1_len] - '0' ); |
if (ch_arr3[ch_arr3_index] >= 10){ |
ch_arr3[ch_arr3_index] %= 10; |
ch_arr3[ch_arr3_index - 1] = 1; |
} |
ch_arr1_len--; |
ch_arr3_index--; |
} |
while (ch_arr2_len != -1){ |
ch_arr3[ch_arr3_index] = ch_arr3[ch_arr3_index] + (ch_arr2[ch_arr2_len] - '0' ); |
if (ch_arr3[ch_arr3_index] >= 10){ |
ch_arr3[ch_arr3_index] %= 10; |
ch_arr3[ch_arr3_index - 1] = 1; |
} |
ch_arr2_len--; |
ch_arr3_index--; |
} |
cout<< "Case " <<i + 1<< ":" <<endl; |
cout<<ch_arr1<< " + " <<ch_arr2<< " = " ; |
if (ch_arr3[0]){ |
cout<<ch_arr3[0]; |
} |
for ( int k = 1; k <= temp; k++){ |
cout<<ch_arr3[k]; |
} |
if (i < a - 1){ |
cout<<endl<<endl; |
} else { |
cout<<endl; |
} |
} |
return 0; |
} |