提出 #13411957

---

ソースコード 拡げる

#include <bits/stdc++.h>
using namespace std;

// 比較演算子を自動生成
#define CAT(a, b) a ## b
#define COMP_1(v1) return lhs.v1 < rhs.v1
#define COMP_2(v1, ...) if (lhs.v1 != rhs.v1) COMP_1(v1); COMP_1(__VA_ARGS__)
#define COMP_3(v1, ...) if (lhs.v1 != rhs.v1) COMP_1(v1); COMP_2(__VA_ARGS__)
#define COMP_4(v1, ...) if (lhs.v1 != rhs.v1) COMP_1(v1); COMP_3(__VA_ARGS__)
#define COMP_5(v1, ...) if (lhs.v1 != rhs.v1) COMP_1(v1); COMP_4(__VA_ARGS__)
#define LESS_THAN(n, ...) bool operator<(const A & rhs) const { auto& lhs = *this; CAT(COMP_, n)(__VA_ARGS__); }

#define MAXC(c, x) (c = max(c, x))
#define MINC(c, x) (c = min(c, x))

#define FOR(i, s, n) for(ll i = (s); i < (ll)(n); ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(c) (c).begin(), (c).end()

// 10^x (by math)
#define TEN(x) ((ll)1e##x)

using ll = long long;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;

void solution(istream& cin, ostream& cout) {
	ll k; cin >> k;
	string s; cin >> s;
	if (s.size() <= k) {
		cout << s << endl;
	}
	else {
		cout << s.substr(0, k) << "..." << endl;
	}
}

int main() {
#ifdef INPUT_FROM_FILE
	ifstream cin("sample.in");
	ofstream cout("sample.out");
#endif
	cin.tie(0);
	ios_base::sync_with_stdio(false);
	cout << fixed << setprecision(50);

	solution(cin, cout);
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘void solution(std::istream&, std::ostream&)’:
./Main.cpp:31:15: warning: comparison of integer expressions of different signedness: ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} and ‘ll’ {aka ‘long long int’} [-Wsign-compare]
   31 |  if (s.size() <= k) {
      |      ~~~~~~~~~^~~~

ジャッジ結果