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Submission #1036393

# Submission time Handle Problem Language Result Execution time Memory
1036393 2024-07-27T10:28:20 Z vjudge1 XORanges (eJOI19_xoranges) C++17
55 / 100
 1000 ms 4436 KB 
/*
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⣤⣶⣶⣶⣶⠦⠶⡶⢦⠤⠤⠤⣄⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣠⣠⣴⣶⣿⣿⣿⣿⣿⣿⣽⣽⣿⣿⣿⣿⣿⣭⣽⣭⣯⡭⡈⢙⣽⣶⣤⣤⣄⣀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣶⣟⣟⣽⣾⣿⢿⣿⡿⣿⣿⣿⣿⣿⣿⣟⠟⡻⣿⣿⣟⣟⣟⣿⡻⠿⠿⠿⠿⣍⠉⠉⠉⠙⠛⠛⠒⠒⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣶⣿⣿⣿⣿⡿⣾⣿⣯⣿⣿⣿⣽⣿⣷⣽⣿⣿⡿⣿⣿⣾⢿⣿⡷⣿⣿⣿⣿⣯⣭⡅⣠⣹⣢⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡿⣿⣟⣽⣿⣿⣿⣻⣿⣟⣟⣿⣻⣿⣝⣿⣯⣿⣻⣻⣿⣿⣿⣿⡪⡻⣿⣿⣽⣿⣿⣯⣻⣿⣶⣿⣖⣓⡤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⠿⢿⣿⣟⣿⣿⣻⣿⣿⣿⠿⣿⣿⡿⣿⣿⢿⣿⡯⣿⣛⣿⣕⣿⣿⡿⣿⣿⣷⢿⡿⣻⣿⣿⣿⢿⣿⣿⡻⣿⡷⠷⠯⠦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⡽⠹⠩⡝⡇⡿⢻⢻⢻⡛⣿⣹⣿⣿⣿⣿⣿⣽⣿⣯⣿⣿⣿⡿⣿⣿⣿⣿⣽⡿⣿⣯⣻⣿⣿⡿⣿⣿⣿⣿⣿⣝⡍⠩⠀⢘⢄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣏⣓⣂⣀⣀⠀⣜⣀⣀⠐⠐⠓⣞⠨⣿⠿⣗⣿⣿⣻⣿⣿⣽⣿⣿⣺⣿⣿⣿⣿⣻⣿⣿⣿⣝⢿⣛⠻⣻⣿⣟⣟⣿⣿⣿⣤⣐⣒⣚⣳⡀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⠟⠻⠽⢯⣌⣶⣿⠿⡡⢴⣾⠛⢀⣷⡉⡟⣷⢊⢘⢀⡙⣷⣾⣿⣿⣿⣿⣿⣿⢿⣿⢿⣿⡿⣿⣿⣽⢋⣝⣿⡿⣿⢿⢿⣛⢿⣿⣗⢇⠟⢦⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢾⣿⣿⣉⣉⣉⣸⣿⣿⣉⣉⢉⣿⠷⠶⠀⢸⣿⣿⢿⠀⠀⠀⠀⢸⠀⢀⡷⣿⣿⣿⢿⡿⡇⣿⣉⢾⣿⣿⠰⢶⡶⣿⣿⣿⣿⣹⣿⡀⠹⣿⣿⡹⣉⢷⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣿⡭⣥⣿⣾⣿⣿⣿⣿⣿⣿⣓⡃⠐⠀⣘⣯⣿⣚⣟⢒⣓⣒⣿⣒⢺⣟⣻⡧⡉⣿⡿⠍⡭⢭⠨⠹⢿⣝⢒⡞⠀⡖⣚⢷⣙⢛⣯⣦⠈⠻⢿⣿⣮⣧⡀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⣿⢩⣿⣿⣿⣾⣷⣿⣿⣿⣟⠒⠀⠐⠀⠉⡿⡟⠉⠹⣿⣟⣳⣶⣆⣴⠑⠀⢳⡄⠈⣷⡁⠁⠈⠀⢈⠙⣷⠀⣀⣀⣀⠀⢨⣷⠀⠊⣟⢣⠀⠀⠉⠛⠿⣿⣄⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⣗⡺⣿⣿⣿⣿⣿⣿⣿⡿⡏⠍⠁⢈⠀⠉⠁⣷⠩⠩⠨⢿⣷⣿⣿⡟⠀⠈⠅⠽⣹⣯⡵⣖⣶⣶⣶⡖⣿⡬⢭⡭⣽⣿⠭⣿⡠⠥⣼⣷⢧⠀⠀⠀⠀⠀⠙⠳⢄⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣟⣿⡏⡃⢀⣠⣬⣶⣶⣦⣍⢀⠈⢸⣘⣧⣿⣿⣏⠀⣀⠀⣃⣷⢿⣼⣽⣆⡲⡦⢵⣾⣿⠃⣧⣿⣿⡼⣿⣿⣇⣻⣿⣘⡆⠀⠀⠀⠀⠀⠀⠈⠛
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢦⣾⠟⠻⠹⢰⣶⣆⡚⢷⡀⠠⠶⡞⣾⣿⠤⠀⠠⡀⢒⡞⠻⣷⠐⢻⣿⣮⡕⣷⣿⡖⣿⣿⣿⡏⣽⣿⣿⢶⣿⣿⢾⡄⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣽⣿⣿⡯⡿⢿⢽⣽⣮⣯⣯⡟⠬⠅⢡⡀⣠⣽⣿⣧⠵⠁⠀⠀⠇⡍⢿⠀⠀⠤⠀⠏⠩⠬⠹⡤⠀⣿⢝⡿⡯⣾⣯⣿⣟⣯⣖⣺⣿⣕⠽⣯⣿⣬⣽⡀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣿⣻⣿⣿⠷⠿⠿⣻⣿⣟⣿⣿⠆⠁⢠⣿⣿⡽⠿⡿⣿⠀⠀⠀⠀⠀⠉⠋⠀⠀⠀⠀⠒⠉⠊⢈⠋⠁⡋⣻⣿⣿⣿⣿⣿⣿⣿⣿⢿⣿⣷⣿⣿⣟⣹⣿⡆⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣿⡿⣿⣿⣿⣿⡭⢹⣿⣿⣻⣽⣿⡀⠀⢨⡇⠉⠍⢌⠼⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠴⣶⢶⠾⢦⣆⠂⠚⣿⣷⣽⡗⣿⡯⣿⠵⢿⣯⣯⣿⣿⣿⣕⣯⣇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣯⣿⣗⣿⣿⣿⡓⣒⣛⣽⣿⣿⢿⣯⠥⠀⠈⢶⡂⠐⣾⠆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠉⢙⣿⣌⣮⠽⣿⣍⢯⣻⣻⣯⠭⠥⣯⠬⣿⣿⣿⣟⣿⣻⣾⣏⢹⡀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⣾⣿⣷⣿⣿⡇⡇⠴⣹⣿⣿⣾⣉⢹⣄⡀⠀⠀⠉⠉⠀⠀⠀⠀⠀⠀⣠⡄⠀⠀⠀⠀⣀⣷⣶⣾⣿⣿⠈⠀⡉⣿⢙⣏⢾⣏⡉⡁⡁⣹⣿⣿⣳⣷⣿⣿⢞⣾⡌⡇⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣯⣿⣿⣿⣿⣭⠭⢭⣿⣿⣷⡒⢀⡶⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⡿⠇⠀⠀⠀⠰⡟⣿⢨⠽⢕⡟⠀⠂⣲⡟⠒⢺⣽⣷⣾⡶⠒⣺⣿⣯⣿⣿⣾⢽⣝⣿⠆⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⣿⣿⣿⣟⣿⣿⣿⣧⣚⣾⣚⣿⣿⠬⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠋⠀⠀⠀⠀⠐⣇⠈⢐⢰⡏⠁⠠⢠⡿⠤⣤⣿⣻⣟⣿⠥⣾⣿⣿⣿⣿⣿⣿⡾⡳⣿⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡷⣿⣿⣿⣿⡿⣽⣿⢿⣿⣿⠶⠾⣿⣿⢉⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠒⠒⠛⠀⠤⠾⣛⣀⣽⣿⣿⣿⣿⣿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣮⣿⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣯⣿⣿⣿⣿⣫⣫⣿⣿⢕⣿⣭⢹⡿⣿⣷⣐⣀⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⣢⣫⣿⣿⣟⣿⣿⣾⣻⣿⣿⣿⣿⣿⣿⣿⣿⣷⢿⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⢟⢟⣿⣿⣷⡿⣟⢄⣻⡻⣿⣷⡬⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣾⣛⣿⣿⡿⣿⣿⣟⢟⣟⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⡄⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⡿⣿⣿⣿⡗⣽⣿⣿⣿⣿⣕⡽⣍⢯⣿⣿⣿⢅⠠⠀⠀⠀⠀⠉⠙⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣬⣿⣿⣿⣿⣿⣿⣯⢿⣿⣿⡵⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡽⣄⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠀⠀⠀⠀⢸⣿⣿⠇⢸⣿⣿⣯⣺⣿⣿⣿⣿⣿⣿⣦⢟⣿⣯⣿⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⣾⣿⣿⣿⣿⣿⣿⣗⣟⣿⣿⣺⡯⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣺⡆⠀⠀⠀⠀
⠀⠀⠀⠀⢀⣤⣶⣾⣷⣿⣿⣯⣳⡤⣀⣿⡏⠀⢸⣿⣿⣿⣾⠯⣿⣿⣿⣿⣿⣿⣿⢷⣿⣩⠨⠽⡿⣷⣄⠀⠀⠀⠀⠀⠀⠀⣀⣀⣠⣤⣶⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⣿⣿⢏⣀⣻⣿⣿⣿⣿⣿⣿⣿⣾⡿⣿⣯⢿⡀⠀⠀⠀
⠀⢀⣠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣟⣖⢤⣘⣿⣿⣿⣷⣽⣿⣿⣿⣿⣿⣿⣷⣗⣭⡿⣬⣭⡯⣭⣿⣿⣿⣿⣿⣽⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣺⣿⣿⣿⣕⢒⣿⣿⣿⣿⣿⣿⣿⣿⣻⣾⡿⣿⣿⣇⠀⠀⠀
⣴⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣝⢻⡻⣿⣟⣿⢟⡿⣿⣾⣿⣷⣟⢶⠐⢐⣰⣇⣲⣗⣾⢐⣐⣸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢽⣟⢽⣿⡺⢩⣿⣿⣿⣿⣿⣿⣿⣿⣿⣟⡯⡾⣿⢽⡄⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣾⣾⡻⣷⣿⣟⢿⣿⣿⣿⣿⢷⡤⠀⠴⠑⠷⠶⠰⢸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣯⣻⢿⣿⣿⣿⣿⣿⣿⣿⣻⣿⣯⣼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⢟⢟⢿⣿⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣝⣿⣿⣝⣿⣿⣿⣿⣷⣽⣄⠄⠀⠄⠀⣼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢝⣿⡆⠙⠿⣿⣿⣿⣿⣺⣺⠟⢰⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣗⣟⢽⠈⢿⡆⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⢾⣿⣿⣿⣿⣿⣾⣇⡀⠆⢀⣿⣿⣷⣿⣿⣿⣿⢿⣿⠁⠈⣿⣿⣿⢾⡇⠀⠀⠀⠹⣿⡿⣿⣉⣈⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢏⣏⢾⠀⠀⣇⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣗⣿⣿⣿⣿⣿⣿⣮⡶⣤⣿⣿⣿⣿⣿⣿⣿⡿⣿⡗⠀⠀⠀⠙⢿⣿⣻⠀⠀⠀⠀⠈⣿⡿⣶⣾⣽⣿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⡏⠀⠀⣼⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢽⣿⣿⣿⣿⣿⣿⣿⢿⣿⣿⣿⣵⢝⢵⣿⡯⣯⠃⠀⠀⠀⠀⠀⠙⢿⡄⠀⠀⠀⢰⣿⠗⠉⠙⠿⣮⣧⡈⠻⣿⣿⣿⣿⣿⣿⣿⡯⣮⡇⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⣫⣿⣿⣿⣿⣷⣿⣿⣿⣾⣾⣻⣻⣿⣻⣟⢿⣶⣄⡀⠀⠀⠀⠀⠀⠓⠀⠀⢠⡿⠁⠀⠀⠀⠀⠈⠙⠻⢦⠈⠿⣿⣿⣿⣿⣿⣟⣿⠁⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⣾⣾⣿⣿⣿⣿⣾⣿⣿⣷⣽⣾⡿⣷⣤⣀⠀⠀⠀⠀⠀⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠓⠀⠈⠻⣿⣿⣿⣷⡏⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣽⣿⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⡿⣿⣷⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⢿⣿⡟⠀⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⡿⣻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣾⣾⡿⣷⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢿⠃⠀⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢯⣿⣯⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣮⣯⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠋⠀⠀⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣟⣽⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣽⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣯⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣟⣿⠋⠀
*/
// skibidi rizz
#include<bits/stdc++.h>
#define IOS ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie()
#define ll long long
#define ull unsigned long long
#define pb push_back
// #define endl "\n"
#define int ll
#define F first     
#define S second
#define db double 
#define ld long double
#define short unsigned short
#define pii pair<int,int>
using namespace std;
const   ll inf = 1e17,MOD=1e9+7,N=5e4+10,MN=1e9+7,lim=1e6;
const long db Pie=acos(-1);
//...and justice for all
int binpow(int a,int p);
void solve(){
  int n,q;
  cin>>n>>q;
  vector<int>a(n);
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  while(q--){
    int type;
    cin>>type;
    if(type==1){
      int i,j;
      cin>>i>>j;
      a[i-1]=j;
    }
    else{
      int l,r;
      cin>>l>>r;
      l--,r--;
      int ans=0;
      for(int i=l;i<=r;i++){
        int cur=0;
        if(((i-l+1)*(r-i+1))%2==1){
          cur=a[i];
        }
        // cout<<cur<<endl; 
        ans^=cur;
      }
      cout<<ans<<endl;
    }
  }
}       
signed main() {
    srand(time(NULL));
    IOS;
    //freopen("coins.in", "r", stdin);
    //freopen("coins.out", "w", stdout);
    int UwU=1;
    // cin>>UwU;
    for(int i=1;i<=UwU;i++) { 
      // cout<<"Case "<<i<<": ";
        solve();
      // cout<<endl;
    }
    cout<<fixed<<setprecision(10);
    cerr<<"Time:"<<1000*((double)clock())/(double)CLOCKS_PER_SEC<<"ms\n"; 
}
int binpow(int a,int p){if(p==0)return 1;if(p%2){return ((binpow(a,p-1)*a)%MOD);}int res=binpow(a,p/2)%MOD; return (res*res)%MOD;}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 620 KB Output is correct
13 Correct 34 ms 620 KB Output is correct
14 Correct 34 ms 604 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1073 ms 4436 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 9 ms 604 KB Output is correct
12 Correct 9 ms 620 KB Output is correct
13 Correct 34 ms 620 KB Output is correct
14 Correct 34 ms 604 KB Output is correct
15 Execution timed out 1073 ms 4436 KB Time limit exceeded
16 Halted 0 ms 0 KB -