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34 lines
839 B
34 lines
839 B
#include <cstdio>
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#include <cstring>
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#include <unordered_map>
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using namespace std;
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typedef pair<int, int> PII;
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#define x first
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#define y second
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// TLE
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// 通过了 8/11个数据
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unordered_map<int, PII> _map;
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int main() {
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int n;
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scanf("%d", &n);
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for (int c = 0; c * c <= n; c++)
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for (int d = c; d * d + c * c <= n; d++) {
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int t = c * c + d * d;
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if (t > 5e6) continue;
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if (_map.count(t) == 0) _map[t] = {c, d};
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}
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for (int a = 0; a * a <= n; a++)
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for (int b = a; b * b + a * a <= n; b++) {
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int t = n - a * a - b * b;
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if (t > 5e6) continue;
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if (_map.count(t)) {
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printf("%d %d %d %d", a, b, _map[t].x, _map[t].y);
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return 0;
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}
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}
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return 0;
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} |