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puti @= fn(x: int) {
#C("printf(\"%ld\\n\", (long)x);
");
};
putch @= fn(x: char) {
#C("printf(\"%c\\n\", x);
");
};
putf @= fn(x: float) {
#C("printf(\"%f\\n\", (double)x);
");
};
N @= 50;
pascal @= fn() [N][]int {
x: [N][]int;
i := 0;
while i < N {
x[i] = new(int, i+1);
i = i + 1;
}
i = 0;
while i < N {
x[i][0] = 1;
x[i][i] = 1;
j := 1;
while j < i {
x[i][j] = x[i-1][j-1] + x[i-1][j];
j = j + 1;
}
i = i + 1;
}
x
};
main @= fn() {
ptriangle @= pascal();
puti(ptriangle[49][25]);
};
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