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| 1 | #include <stdio.h> | |
| 2 | ||
| 3 | int main () | |
| 4 | {
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| 5 | char chn[81], crt, *ptr1, *ptr2; | |
| 6 | scanf ("%80[^\n]",chn);
| |
| 7 | ||
| 8 | ptr1 = ptr2 = chn; | |
| 9 | while (*++ptr2); | |
| 10 | ptr2--; | |
| 11 | while (ptr1 < ptr2) {
| |
| 12 | *ptr1 ^= *ptr2; | |
| 13 | *ptr2 ^= *ptr1; | |
| 14 | *ptr1 ^= *ptr2; | |
| 15 | ptr1++; ptr2--; | |
| 16 | } | |
| 17 | ||
| 18 | ptr2 = chn; | |
| 19 | while (*ptr2 != ' ' && *ptr2) ptr2++; | |
| 20 | ptr1 = chn - 1; | |
| 21 | ||
| 22 | while (1) | |
| 23 | {
| |
| 24 | - | ptr1++; |
| 24 | + | ptr1++; ptr2--; |
| 25 | - | ptr2--; |
| 25 | + | |
| 26 | while (ptr1 < ptr2) {
| |
| 27 | *ptr1 ^= *ptr2; | |
| 28 | *ptr2 ^= *ptr1; | |
| 29 | *ptr1 ^= *ptr2; | |
| 30 | ptr1++; ptr2--; | |
| 31 | } | |
| 32 | ||
| 33 | ptr2++; | |
| 34 | while (*ptr2 != ' ' && *ptr2) ptr2++; | |
| 35 | if (!*ptr2) break; | |
| 36 | ptr1 = ptr2; | |
| 37 | ptr2++; | |
| 38 | while (*ptr2 != ' ' && *ptr2) ptr2++; | |
| 39 | } | |
| 40 | ||
| 41 | /* Insérez votre code ici */ | |
| 42 | printf ("%s\n",chn);
| |
| 43 | return 0; | |
| 44 | } |
