30 lines
583 B
C
30 lines
583 B
C
#include "trap.h"
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#define N 31
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int a[N];
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int ans[] = {1, 30, 435, 4060, 27405, 142506, 593775, 2035800, 5852925, 14307150, 30045015, 54627300, 86493225, 119759850, 145422675, 155117520, 145422675, 119759850, 86493225, 54627300, 30045015, 14307150, 5852925, 2035800, 593775, 142506, 27405, 4060, 435, 30, 1};
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int main() {
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int i, j;
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int t0, t1;
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a[0] = a[1] = 1;
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for(i = 2; i < N; i ++) {
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t0 = 1;
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for(j = 1; j < i; j ++) {
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t1 = a[j];
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a[j] = t0 + t1;
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t0 = t1;
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}
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a[i] = 1;
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}
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for(j = 0; j < N; j ++) {
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check(a[j] == ans[j]);
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}
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check(j == N);
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return 0;
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}
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