$ pip3 install online-judge-template-generator

$ oj-template [-t template] URL

$ oj-contest URL

$ oj-contest https://atcoder.jp/contests/abc158
...

$ tree ~/atcoder.jp
/home/ubuntu/atcoder.jp
└── abc158
    ├── abc158_a
    │   ├── generate.py
    │   ├── main.cpp
    │   └── test
    │       ├── sample-1.in
    │       ├── sample-1.in
    │       ├── sample-1.out
    │       ├── sample-2.in
    │       ├── sample-2.out
    │       ├── sample-3.in
    │       └── sample-3.out
    ├── ...
    ├── ...
    ├── ...
    ├── ...
    └── abc158_f
        ├── generate.py
        ├── main.cpp
        └── test
            ├── sample-1.in
            ├── sample-1.out
            ├── sample-2.in
            ├── sample-2.out
            ├── sample-3.in
            ├── sample-3.out
            ├── sample-4.in
            └── sample-4.out

13 directories, 50 files

$ cat ~/atcoder.jp/abc158/abc158_f/main.cpp
#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; (i) < (int)(n); ++ (i))
#define REP3(i, m, n) for (int i = (m); (i) < (int)(n); ++ (i))
#define REP_R(i, n) for (int i = (int)(n) - 1; (i) >= 0; -- (i))
#define REP3R(i, m, n) for (int i = (int)(n) - 1; (i) >= (int)(m); -- (i))
#define ALL(x) ::std::begin(x), ::std::end(x)
using namespace std;

auto solve(int N, const vector<int> & X, const vector<int> & D) {
    // TODO: edit here
}

// generated by online-judge-template-generator
int main() {
    int N;
    scanf("%d", &N);
    vector<int > X(N), D(N);
    REP (i, N) {
        scanf("%d%d", &X[i], &D[i]);
    }
    auto ans = solve(N, X, D);
    printf("%d\n", ans);  // TODO: edit here
    return 0;
}

$ cat ~/atcoder.jp/abc158/abc158_f/generate.py
#!/usr/bin/env python3
import random
import onlinejudge_random as random_oj

def main():
    N = random.randint(1, 10 ** 9)  # TODO: edit here
    X = [None for _ in range(N)]
    D = [None for _ in range(N)]
    for i in range(N):
        X[i] = random.randint(1, 10 ** 9)  # TODO: edit here
        D[i] = random.randint(1, 10 ** 9)  # TODO: edit here
    print(N)
    for i in range(N):
        print(X[i], D[i])

if __name__ == "__main__":
    main()