1340.cpp

#include "Jutil.h"
using namespace std;

#define KNRM "\x1B[0m"
#define KRED "\x1B[31m"
#define KGRN "\x1B[32m"

const int N = 1000;
int dp[N];
class Solution {
   public:
    int maxJumps(vector<int>& arr, int d) {
        int n = arr.size();
        for (int i = 0; i < n; i++) {
            dp[i] = -1;
        }
        int res = 0;
        for (int i = 0; i < n; i++) {
            res = max(res, dfs(i, d, arr, n));
        }
        return res;
    }
    int dfs(int i, int d, vector<int>& arr, int n) {
        if (dp[i] != -1) {
            return dp[i];
        }
        dp[i] = 1;
        for (int j = i + 1; j <= min(n - 1, i + d); j++) {
            if (arr[i] <= arr[j]) {
                break;
            }
            dp[i] = max(dp[i], 1 + dfs(j, d, arr, n));
        }
        for (int j = i - 1; j >= max(0, i - d); j--) {
            if (arr[i] <= arr[j]) {
                break;
            }
            dp[i] = max(dp[i], 1 + dfs(j, d, arr, n));
        }
        return dp[i];
    }
};

int main() {
    string problemName = "1340";
    auto begin = jtimer();
    Solution sol;
    ifstream file_in("testcases/" + problemName + "_in.txt");
    ifstream file_out("testcases/" + problemName + "_out.txt");
    bool allPass = true;
    int caseCount = 0;
    int passCount = 0;
    string line_in;
    string line_out;
    while (getline(file_in, line_in)) {
        auto arr = jread_vector(line_in);
        getline(file_in, line_in);
        auto d = jread_int(line_in);
        auto res = sol.maxJumps(arr, d);
        getline(file_out, line_out);
        auto ans = jread_int(line_out);
        printf("Case %d", ++caseCount);
        if (res == ans) {
            passCount++;
            printf(" %s(PASS)", KGRN);
        } else {
            printf(" %s(WRONG)", KRED);
            allPass = false;
        }
        printf("\n%s", KNRM);
        jprint(res, "res");
        jprint(ans, "ans");
        printf("\n");
    }
    if (allPass) {
        printf("%sALL CORRECT [%d/%d]\n%s", KGRN, passCount, caseCount, KNRM);
    } else {
        printf("%sWRONG ANSWER [%d/%d]\n%s", KRED, passCount, caseCount, KNRM);
    }
    auto end = jtimer();
    jprint_time(begin, end);
    return 0;
}