Binomial Coefficient (Prime Mod) (verify/combi/binom.test.cpp)

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• Last update: 2026-04-22 09:17:08-07:00
• Problem: https://judge.yosupo.jp/problem/binomial_coefficient_prime_mod

Depends on

• cp-algo/math/combinatorics.hpp
• cp-algo/math/common.hpp
• cp-algo/number_theory/modint.hpp
• cp-algo/util/big_alloc.hpp

Code

// @brief Binomial Coefficient (Prime Mod)
#define PROBLEM "https://judge.yosupo.jp/problem/binomial_coefficient_prime_mod"
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#define CP_ALGO_MAXN 1e7
#include "cp-algo/number_theory/modint.hpp"
#include "cp-algo/math/combinatorics.hpp"
#include <bits/stdc++.h>

using namespace std;
using namespace cp_algo;
using namespace math;
using base = dynamic_modint<>;

void solve() {
    int n, r;
    cin >> n >> r;
    cout << binom<base>(n, r) << "\n";
}

signed main() {
    //freopen("input.txt", "r", stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    cin >> t;
    int m;
    cin >> m;
    base::switch_mod(m);
    while(t--) {
        solve();
    }
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/resolver.py", line 290, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/languages/cplusplus.py", line 243, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/languages/cplusplus_bundle.py", line 322, in update
    assert len(lines) == len(uncommented_lines)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError

Test cases

Env	Name	Status	Elapsed	Memory
g++	example_00	AC	57 ms	81 MB
g++	example_01	AC	55 ms	81 MB
g++	large_random_00	AC	319 ms	81 MB
g++	large_random_01	AC	323 ms	81 MB
g++	large_random_02	AC	320 ms	81 MB
g++	med_random_00	AC	226 ms	81 MB
g++	med_random_01	AC	221 ms	81 MB
g++	med_random_02	AC	218 ms	81 MB
g++	mod1000000007_00	AC	319 ms	81 MB
g++	mod1000000007_01	AC	316 ms	81 MB
g++	mod2_00	AC	187 ms	81 MB
g++	mod2_01	AC	315 ms	81 MB
g++	mod3_00	AC	179 ms	81 MB
g++	mod3_01	AC	182 ms	81 MB
g++	mod998244353_00	AC	318 ms	81 MB
g++	mod998244353_01	AC	328 ms	81 MB
g++	mod998244353_maxi_00	AC	381 ms	81 MB
g++	small_random_00	AC	179 ms	81 MB
g++	small_random_01	AC	178 ms	81 MB
g++	small_random_02	AC	177 ms	81 MB

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