446.cpp

#include <cstdio>
#include <cstring>

using namespace std;

int main(void)
{
    int  times, map[130], i, sum, tmpI, base;
    char A[10], B[10], op[10];

    memset(map, 0, sizeof(int) * 130);
    for (i = 0; i < 10; ++i)
        map[i + '0'] = i;
    map['A'] = 10;
    map['B'] = 11;
    map['C'] = 12;
    map['D'] = 13;
    map['E'] = 14;
    map['F'] = 15;

    scanf("%d", &times);

    while (times-- > 0) {
        scanf("%s %s %s", A, op, B);
        sum = 0;
        for (i = 0; i < strlen(A); ++i) {
            sum *= 16;
            sum += map[A[i]];
        }
        tmpI = 0;
        for (i = 0; i < strlen(B); ++i) {
            tmpI *= 16;
            tmpI += map[B[i]];
        }
        base = 1 << 11;
        printf("0");
        for (i = 0; i < 12; ++i) {
            if (sum & base)
                printf("1");
            else
                printf("0");
            base >>= 1;
        }
        printf(" %c ", op[0]);
        base = 1 << 11;
        printf("0");
        for (i = 0; i < 12; ++i) {
            if (tmpI & base)
                printf("1");
            else
                printf("0");
            base >>= 1;
        }
        if (op[0] == '+')
            sum += tmpI;
        else
            sum -= tmpI;
        printf(" = %d\n", sum);
    }

    return 0;
}