22 lines
444 B
C++
22 lines
444 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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//是不是闰年
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bool isRunYear(int y) {
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if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0) return true;
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return false;
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}
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const int N = 2010;
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int a[N];
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int idx;
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int main() {
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int x, y;
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cin >> x >> y;
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for (int i = x; i <= y; i++)if (isRunYear(i)) a[idx++] = i;
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cout << idx << endl;
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for (int i = 0; i < idx; i++) cout << a[i] << " ";
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return 0;
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}
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