提出 #76889845

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ソースコード 拡げる

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define rrep(i, a, b) for (int i = (a); i < (b); ++i)


using namespace std;
using ll=long long;
using vi=vector<int>;
using pii=pair<int,int>;
using ma=map<string,int>;//昇順
using md=map<string,int,greater<string>>;//降順
using si=set<int>;
using usi=unordered_set<int>;

template<class Container>
void input(Container& a){
    for(auto &x : a) cin >> x;
}

template<class T>
void prepare(unordered_set<T>& st, int n){
    st.reserve(n);
    st.max_load_factor(0.7);
}


long long modfix(long long a, long long m){
    return (a % m + m) % m;
}


int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
   string a[4]={"ARC","AGC","ABC","AHC"};
   bool b[4]={true,true,true,true};
   rep(i,4)
   {
    string c;
    cin>>c;
    auto it = find(a.begin(), a.end(), c);
        if (it != a.end()) {
            int idx = distance(a.begin(), it);
            b[idx] = false;
        }
   }
   rep(i,4)
   {
    if(b[i])
    cout<<b[i];
   }

}

提出情報

コンパイルエラー

./Main.cpp: In function 'int main()':
./Main.cpp:41:22: error: request for member 'begin' in 'a', which is of non-class type 'std::string [4]' {aka 'std::__cxx11::basic_string<char> [4]'}
   41 |     auto it = find(a.begin(), a.end(), c);
      |                      ^~~~~
./Main.cpp:41:33: error: request for member 'end' in 'a', which is of non-class type 'std::string [4]' {aka 'std::__cxx11::basic_string<char> [4]'}
   41 |     auto it = find(a.begin(), a.end(), c);
      |                                 ^~~
./Main.cpp:42:21: error: request for member 'end' in 'a', which is of non-class type 'std::string [4]' {aka 'std::__cxx11::basic_string<char> [4]'}
   42 |         if (it != a.end()) {
      |                     ^~~
./Main.cpp:43:34: error: request for member 'begin' in 'a', which is of non-class type 'std::string [4]' {aka 'std::__cxx11::basic_string<char> [4]'}
   43 |             int idx = distance(a.begin(), it);
      |                                  ^~~~~