Submission #28421180

---

Source Code Expand

// #include <atcoder/all>
// using namespace atcoder;
// using mint = modint998244353;
// using mint = modint1000000007;
#include <bits/stdc++.h>
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define rep2(i,k,n) for (int i = (k); i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;
// using P = pair<ll,ll>;


// const ll INF = (ll)1e18;
const int INF = (int)1e9+7;
template<typename T>
void chmin(T &a, T b) { a = min(a, b); }
template<typename T>
void chmax(T &a, T b) { a = max(a, b); }

template<typename T>
void print(vector<T> v) {
    int n = v.size();
    rep(i,n) {
        if (i == 0) cout << v[i];
        else cout << ' ' << v[i];
    }
    cout << endl;
}

void solve() {
    string X;
    cin >> X;

    int keta = X.size();

    vector<string> cands;
    rep2(start,1,10) {
        rep2(d, -9, 10) {
            string x = "";
            rep(j,keta) {
                int c = start + j*d;
                if (0 <= c && c <= 9) x.push_back('0' + c);
            }
            if (x.size() == keta) cands.push_back(x);
        }
    }

    sort(all(cands));
    cout << *lower_bound(all(cands), X) << endl;
}

int main() {
    solve();
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void solve()’:
./Main.cpp:47:26: warning: comparison of integer expressions of different signedness: ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
   47 |             if (x.size() == keta) cands.push_back(x);
      |                 ~~~~~~~~~^~~~~~~

Judge Result