44 lines
984 B
C++
44 lines
984 B
C++
#include <cassert>
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#include <vector>
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using std::vector;
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class Solution {
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public:
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bool canPlaceFlowers(vector<int> &flowerbed, int n) {
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int count = 0;
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int left = 0, right;
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for (vector<int>::size_type i = 0; i < flowerbed.size(); i++) {
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right = (i + 1 < flowerbed.size()) ? flowerbed[i + 1] : 0;
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if (left == 0 && flowerbed[i] == 0 && right == 0) {
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count++;
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left = 1;
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} else {
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left = flowerbed[i];
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}
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}
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return count >= n;
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}
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};
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int main() {
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Solution s;
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std::vector flowers{1, 0, 0, 0, 1};
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assert(s.canPlaceFlowers(flowers, 1));
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assert(!s.canPlaceFlowers(flowers, 2));
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flowers = {1, 0, 0, 0, 0, 1};
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assert(!s.canPlaceFlowers(flowers, 2));
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flowers = {1, 0, 0, 0, 1, 0, 0};
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assert(s.canPlaceFlowers(flowers, 2));
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flowers = {0, 0, 1, 0, 0};
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assert(s.canPlaceFlowers(flowers, 1));
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return 0;
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}
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