class Solution {
public:
bool canJump(vector<int>& nums) {
vector<int> dp(nums.size(), 0);
for (int i = 1; i < nums.size(); ++i) {
dp[i] = max(dp[i - 1], nums[i - 1]) - 1;
if (dp[i] < 0) return false;
}
return true;
}
};
class Solution {
public:
bool canJump(vector<int>& nums) {
int n = nums.size(), reach = 0;
for (int i = 0; i < n; ++i) {
if (i > reach || reach >= n - 1) break;
reach = max(reach, i + nums[i]);
}
return reach >= n - 1;
}
};