37 lines
555 B
C
37 lines
555 B
C
#include <stdio.h>
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#include <string.h>
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int pow_(int x, int y) {
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if (!y) {
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return 1;
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}
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int res = x;
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for (int i = 1; i <= y-1; ++i) {
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res = res*x;
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}
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return res;
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}
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int main(int argc, char *argv[]) {
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char z[10000];
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if (argc)
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strcpy(z, argv[1]);
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float x;
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int y;
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scanf("%f %x", &x, &y);
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int len = strlen(z);
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int res = 0;
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for (int i = len-1; i >= 0; --i) {
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if (z[i]>='0' && z[i]<='9') {
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res += (z[i] - '0') * pow_(27, len-i-1);
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}
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else {
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res += (z[i] - 'A' + 10) * pow_(27, len-i-1);
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}
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}
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printf("%.3f\n", x+y+res);
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}
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