# verification-helper: PROBLEM https://atcoder.jp/contests/keyence2021/tasks/keyence2021_c
proc scanf(formatstr: cstring){.header: "<stdio.h>", varargs.}
proc ii(): int {.inline.} = scanf("%lld\n", addr result)
proc getchar(): char {.importc: "getchar_unlocked", header: "<stdio.h>", discardable.}
import sequtils, strutils
import cplib/modint/modint
type mint = modint_montgomery
mint.setMod(998244353)
var h, w, k = ii()
var s = newSeqWith(h, "?".repeat(w).join(""))
for i in 0..<k:
var x, y = ii()-1
var c = getchar()
s[x][y] = c
var dp = newSeqWith(h, newseqwith(w, mint(0)))
dp[0][0] = mint(3).pow(h*w - k)
var mul = mint(2) * mint(3).inv
for i in 0..<h:
for j in 0..<w:
if s[i][j] == 'D':
if i+1 in 0..<h: dp[i+1][j] += dp[i][j]
elif s[i][j] == 'R':
if j+1 in 0..<w: dp[i][j+1] += dp[i][j]
elif s[i][j] == 'X':
if i+1 in 0..<h: dp[i+1][j] += dp[i][j]
if j+1 in 0..<w: dp[i][j+1] += dp[i][j]
else:
if i+1 in 0..<h: dp[i+1][j] += dp[i][j] * mul
if j+1 in 0..<w: dp[i][j+1] += dp[i][j] * mul
echo dp[h-1][w-1].val
Traceback (most recent call last):
File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/nim.py", line 86, in bundle
raise NotImplementedError
NotImplementedError
verify/modint/montgomery/keyence2021_dynamic_test_.nim
cplib/math/isqrt.nim