cp_library/alg/dp/chmax_fn.py

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• Last update: 2025-03-30 20:17:47+09:00

Verified with

• test/atcoder/abc/abc301_e_fast_grid_graph.test.py

Code

import cp_library.alg.dp.__header__

def chmax(dp, i, v):
    if ch:=dp[i]<v:dp[i]=v
    return ch

'''
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
             https://kobejean.github.io/cp-library               
'''

def chmax(dp, i, v):
    if ch:=dp[i]<v:dp[i]=v
    return ch

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