initial commit

jump/meson.build

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+executable('jump', 'src/main.cpp', install: true)

jump/src/jump.hpp

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+#include <vector>
+
+inline int jump(std::vector<int> &nums) {
+  int n = nums.size();
+  if (n <= 1) return 0;
+  int jumps = 0;
+  int current_end = 0;
+  int farthest = 0;
+  for (int i = 0; i < n - 1; i++) {
+    farthest = std::max(farthest, i + nums[i]);
+    if (i == current_end) {
+      jumps += 1;
+      current_end = farthest;
+      if (current_end >= n - 1) break;
+    }
+  }
+  return jumps;
+}

jump/src/main.cpp

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+#include <cassert>
+#include <vector>
+#include "jump.hpp"
+
+int main() {
+  std::vector<int> nums = {2, 3, 1, 1, 4};
+  int output = jump(nums);
+  assert(output == 2);
+  nums = {2, 3, 0, 1, 4};
+  output = jump(nums);
+  assert(output == 2);
+  return 0;
+}