This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "jumps.h"
#include <vector>
int subtask;
void init(int N, std::vector<int> H) {
if (N <= 200) subtask = 2;
else if (N <= 2000) subtask = 3;
int flag = 1;
for (int i = 1; i < N; ++i)
if (H[i] != H[i-1] + 1) flag = 0;
if(flag) subtask = 1;
}
int minimum_jumps(int A, int B, int C, int D) {
if (subtask == 1)
{
if (A > D) return -1;
if (B >= C) return 0;
return C - B;
}
return 0;
}
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