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Submission #851631

# Submission time Handle Problem Language Result Execution time Memory
851631 2023-09-20T09:48:47 Z tester777 Street Lamps (APIO19_street_lamps) Python 3
0 / 100
 909 ms 6396 KB 
# Function to calculate the total time the taxi was able to drive from stop a to stop b
def calculate_time(lamps, a, b):
    total_time = 0
    for i in range(a - 1, b - 1):
        total_time += lamps[i]
    return total_time

# Read input values
n, q = map(int, input().split())
lamp_states = list(map(int, input().strip()))

# Initialize a list to store lamp states (0 for off, 1 for on)
lamps = [0] * n

# Initialize total time to 0
total_time = 0

# Process events
for _ in range(q):
    event = input().split()
    if event[0] == "toggle":
        i = int(event[1]) - 1
        lamp_states[i] = 1 - lamp_states[i]  # Toggle lamp state
        if lamp_states[i] == 1:
            total_time += 1  # Increment total time if lamp is turned on
        else:
            total_time -= 1  # Decrement total time if lamp is turned off
    else:  # Event is a query
        a, b = map(int, event[1:])
        time = calculate_time(lamp_states, a, b)
        print(time)

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 2880 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 909 ms 6396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 41 ms 2908 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 2880 KB Output isn't correct
2 Halted 0 ms 0 KB -