29 lines
532 B
C
29 lines
532 B
C
#include <stdio.h>
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int sums(int x);
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int main(int argc, char *argv[])
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{
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printf("%d\n", sums(100));
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}
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int sums(int x)
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{
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int i, n;
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int s[x + 1][x];
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for(n = 0; n <= x; ++n){
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s[n][0] = 1;
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for(i = 2; i < n; ++i){
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s[n][i - 1] = s[n][i - 2];
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if(n - i <= i){
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s[n][i - 1] += s[n - i][n - i - 1];
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}else{
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s[n][i - 1] += s[n - i][i - 1];
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}
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}
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s[n][i - 1] = s[n][i - 2] + 1;
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}
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return s[x][x - 1] - 1;
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}
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