Submission #6022239

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> l_l;
typedef pair<int, int> i_i;
template<class T>
inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}

#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))
//const ll mod = 1000000007;
set<i_i> st;

void print(int a) {
    if(a < 1000) cout << "0";
    if(a < 100) cout << "0";
    if(a < 10) cout << "0";
    cout << a;
}

int main() {
    //cout.precision(10);
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N;
    cin >> N;
    while(N--) {
        int a, b;
        cin >> a;
        char dust;
        cin >> dust >> b;
        a -= (a % 5);
        b = ((b + 4) / 5) * 5;
        if(b % 100 == 60) {
            b += 40;
        }
        st.insert({a, b});
    }
    int Last = -INF;
    for(auto itr = st.begin(); itr != st.end(); itr++) {
        if(Last == -INF) {
            print((*itr).first);
            cout << "-";
            Last = (*itr).second;
            continue;
        }
        if(Last != -INF && Last < (*itr).first) {
            print(Last);
            cout << endl;
            print((*itr).first);
            cout << "-";
            Last = (*itr).second;
            continue;
        }
        chmax(Last, (*itr).second);
    }
    print(Last);
    cout << endl;
    return 0;
}

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