#include using namespace std;int g(int m, int n, int x) {\tint ans = 0;\tint i;\tif (n == 1)\t\treturn 1;\tfor (i = x; i <= m / n; i )\t\tans = g(m - i, n - 1, i);\treturn ans;}int main() {\tint t, m, n;\tcin >> m >> n;\tcout << g(m, n, 0) << endl;\treturn 0;}
输入: 7 3
输出:
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