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53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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int main()
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{
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char buf[30], *sp;
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scanf("%s", buf);
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if (sp = strchr(buf, '.'))
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{
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for (char *p1 = buf, *p2 = sp; p1 < p2;)
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iter_swap(p1++, --p2);
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for (char *p1 = sp + 1, *p2 = buf + strlen(buf); p1 < p2;)
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iter_swap(p1++, --p2);
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int a, b;
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sscanf(buf, "%d.%d", &a, &b);
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while (a && a % 10 == 0) a /= 10;
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while (b && b % 10 == 0) b /= 10;
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printf("%d.%d", a, b);
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}
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else if (sp = strchr(buf, '/'))
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{
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for (char *p1 = buf, *p2 = sp; p1 < p2;)
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iter_swap(p1++, --p2);
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for (char *p1 = sp + 1, *p2 = buf + strlen(buf); p1 < p2;)
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iter_swap(p1++, --p2);
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int a, b;
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sscanf(buf, "%d/%d", &a, &b);
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while (a && a % 10 == 0) a /= 10;
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while (b && b % 10 == 0) b /= 10;
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printf("%d/%d", a, b);
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}
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else if (sp = strchr(buf, '%'))
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{
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for (char *p1 = buf, *p2 = sp; p1 < p2;)
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iter_swap(p1++, --p2);
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unsigned long long a;
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sscanf(buf, "%llu", &a);
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while (a && a % 10 == 0) a /= 10;
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printf("%llu%%", a);
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}
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else
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{
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for (char *p1 = buf, *p2 = buf + strlen(buf); p1 < p2;)
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iter_swap(p1++, --p2);
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unsigned long long a;
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sscanf(buf, "%llu", &a);
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while (a && a % 10 == 0) a /= 10;
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printf("%llu", a);
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}
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return 0;
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}
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