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#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
#include<map>
using namespace std;
int main()
{
int n, arr[100][100] = { 0 };
arr[0][0] = 1;
cin >> n;
for (int i = 1;i < n;i++) {
for (int j = 0;j < n;j++) {
if (j == 0) {
arr[i][j] = 1;
}
else {
arr[i][j] = arr[i - 1][j - 1] + arr[i - 1][j];
}
}
}
for (int i = 1;i < n;i++) {
&nbs...
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