Submission #22400506

Source Code Expand

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// ＵＴＦ−８
#include<bits/stdc++.h>
using namespace std;
using ll = long long int;
using lc = complex<double>;
/* #include<atcoder/all> */
/* using namespace atcoder; */
template<class T>bool chmax(T &a, const T &b) { return (a<b ? (a=b,1) : 0); }
template<class T>bool chmin(T &a, const T &b) { return (a>b ? (a=b,1) : 0); }
int main(void) {
    constexpr ll MOD = 1 ? 1e9+7 : 998244353;
    const double PI = acos(-1);
    constexpr double eps = 1e-10;
    cout << fixed << setprecision(32);
    cin.tie(0); ios::sync_with_stdio(false);
 
 
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// ＵＴＦ−８

#include<bits/stdc++.h>

using namespace std;
using ll = long long int;
using lc = complex<double>;

/* #include<atcoder/all> */
/* using namespace atcoder; */

template<class T>bool chmax(T &a, const T &b) { return (a<b ? (a=b,1) : 0); }
template<class T>bool chmin(T &a, const T &b) { return (a>b ? (a=b,1) : 0); }

int main(void) {
    constexpr ll MOD = 1 ? 1e9+7 : 998244353;
    const double PI = acos(-1);
    constexpr double eps = 1e-10;
    cout << fixed << setprecision(32);
    cin.tie(0); ios::sync_with_stdio(false);


    if(1) {
        ll n;
        cin >> n;
        vector<ll> a(n);
        for(auto &e: a) cin >> e;

        map<ll,ll> m;

        ll res = 0;
        for(auto &e: a)
            res += m[e%200]++;
        cout << res << endl;
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:18: warning: unused variable ‘MOD’ [-Wunused-variable]
   16 |     constexpr ll MOD = 1 ? 1e9+7 : 998244353;
      |                  ^~~
./Main.cpp:17:18: warning: unused variable ‘PI’ [-Wunused-variable]
   17 |     const double PI = acos(-1);
      |                  ^~
./Main.cpp:18:22: warning: unused variable ‘eps’ [-Wunused-variable]
   18 |     constexpr double eps = 1e-10;
      |                      ^~~

Judge Result