Submission #70963476

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Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <cmath>
#include <bitset>
#include <numeric>
using namespace std;
#define ll long long
#define vi vector<int>
#define vs vector<string>
#define vll vector<long long>
#define vii vector<pair<int, int>>
#define vllvector vector<pair<ll, ll>>
#define vb vector<bool>
#define yes cout << "Yes" << endl;
#define no cout << "No" << endl;
#define rep(i, n) for (int i = 0; i < n; i++)
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true;} return false;}
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true;} return false;}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    string x;
    cin >> x;

    sort (x.begin(), x.end());
    int index = -1;
    if(x[0] == '0') {
        // cout << x << endl;
        rep(i, x.size()) {
        if (x[i] != '0') {
            index = (int)i;
            break;
        }
    }
    }


    if (index != -1) {
        swap(x[0], x[index]);
    }

    cout << x << endl;

}

Submission Info

Compile Error

./Main.cpp: In function 'int main()':
./Main.cpp:21:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 | #define rep(i, n) for (int i = 0; i < n; i++)
      |                                     ^
./Main.cpp:36:9: note: in expansion of macro 'rep'
   36 |         rep(i, x.size()) {
      |         ^~~

Judge Result