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3. zombie的初始位置的不同（对应x， y坐标）

time = run_test(map, 0, 0, &person);

// Time: 190 Person: 323

time = run_test(map, 0, 99, &person);

//Time: 206 Person: 415

time = run_test(map, 99, 0, &person);

//Time: 6 Person: 6634

time = run_test(map, 99, 99, &person);

//Time: 228 Person: 348