74 lines
1.1 KiB
C
74 lines
1.1 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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/*
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void convert(int n, int base)
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{
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if (n < base) {
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printf("%d",n);
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return;
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}
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convert(n/base,base);
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printf("%d",n%base);
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}
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*/
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void convert(int n, int base)
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{
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int digit;
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if (n < base) {
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if (n < 10)
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printf("%d",n);
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else
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printf("%c",'A'+(n-10));
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return;
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}
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convert(n/base,base);
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digit = n%base;
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if (digit < 10)
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printf("%d",digit);
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else
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printf("%c",'A'+(digit-10));
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}
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int ArmstrongNumber(int n, int base)
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{
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static int i = -1, index = 0;
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int j, k, p, r;
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for (i++; index < n; i++) {
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for (j = i, k = 0; j > 0; k++) j = j/base;
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for (j = i, r = 0; j > 0;) {
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p = j%base;
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j = j/base;
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r += (int)pow(p,k);
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}
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if (r == i) {
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index++;
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return i;
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}
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}
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}
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int main()
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{
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int base, howMany, n;
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printf("\n<EFBFBD><EFBFBD><EFBFBD>X<EFBFBD>e<EFBFBD>X<EFBFBD>Ӫ<EFBFBD><EFBFBD>i<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ơH=> ");
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scanf("%d",&howMany);
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printf("\n<EFBFBD><EFBFBD><EFBFBD>J<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<=16) => ");
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scanf("%d",&base);
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puts("\n<EFBFBD>ŦX<EFBFBD><EFBFBD><EFBFBD>Ʀr<EFBFBD>p<EFBFBD>U");
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for (n = 1; n <= howMany; n++) {
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printf("#%d\t",n);
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convert(ArmstrongNumber(n,base),base);
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putchar('\n');
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}
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return 0;
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}
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