提出 #70022580

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ソースコード 拡げる

#include <bits/stdc++.h>
#define lb(x) (x&-x)
#define L(i,j,k) for(int i=(j);i<=(k);++i)
#define R(i,j,k) for(int i=(j);i>=(k);--i)

namespace luoyh {
using namespace std;
using i64 = long long;

typedef pair<int, int> pii;
typedef long long ll;
typedef unsigned long long ull;
void chmin(int &x, int c) { x = min(x, c); }
void chmax(int &x, int c) { x = max(x, c); }

const int maxn = 3e5 + 10, mod = 998244353;
int N; string S;

void solve() {
  cin >> S, N = S.size();
  N = (N + 1) / 2;
  L (i, 1, S.size()) {
  	if (i == N) {
  	  continue;
  	}
  	cout << S[i - 1];
  }
  cout << '\n';
}

signed main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int T = 1;
  while (T--)solve();
  return 0;
}
} signed main() {
  return luoyh::main();
}

提出情報

コンパイルエラー

Main.cpp: In function ‘void luoyh::solve()’:
Main.cpp:3:33: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    3 | #define L(i,j,k) for(int i=(j);i<=(k);++i)
      |                                 ^
Main.cpp:22:3: note: in expansion of macro ‘L’
   22 |   L (i, 1, S.size()) {
      |   ^

ジャッジ結果