Submission #353300

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Source Code Expand

#include<iostream>
#include<string>
#include<map>
#include<vector>
#include<list>
#include<queue>
#include<stack>
#include<deque>
#include<set>
#include<bitset>
#include<functional>
#include<utility>
#include<iterator>
#include<algorithm>
#include<sstream>
#include<fstream>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<ctime>
#include<cstring>
#include<iomanip>
using namespace std;
#define len(val) static_cast<int>(val.size())
#define rep(i, a, b) for(int i=(a); i<(b); i++)
#define debug(x) cout << #x << " : " << x << endl;
typedef long long ll;
typedef pair<int, int> P;


int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    vector<P> v;
    int n; cin >> n;
    rep(i, 0, n){
        string s; cin >> s;
        v.push_back(P(atoi(s.substr(0, 4).c_str()), atoi(s.substr(5, 4).c_str())));
    }

    for(auto& vs : v){
        int vsf = vs.first-(vs.first/10)*10, vss = vs.second-(vs.second/10)*10;
        if(vsf < 5){
            vs.first = (vs.first/10)*10;
        }else{
            vs.first = (vs.first/10)*10 + 5;
        }
        if(1 <= vss && vss <= 5){
            vs.second = (vs.second/10)*10 + 5;
        }else if(vss == 0){
            vs.second = (vs.second/10)*10;
        }else{
            vs.second = (vs.second/10)*10 + 10;
            if(vs.second-(vs.second/100)*100 >= 60){
                vs.second = (vs.second/100)*100 + 100;
                if(vs.second > 2400){
                    vs.second = 2400;
                }
            }
        }
    }
    sort(v.begin(), v.end());
    v.erase(unique(v.begin(), v.end()), v.end());

    vector<P> res;
    int start = -1, end = -1;
    for(int i=0; i<len(v); i++){
        int s = v[i].first, e = v[i].second;
        if(start == -1){
            start = s; end = e;
        }else{
            if(end < s){
                res.push_back(P(start, end));
                start = s; end = e;
            }else{
                end = max(end, e);
            }
        }
    }
    if(start != -1){
        res.push_back(P(start, end));
    }
    for(int i=0; i<len(res); i++){
        string a = "", b = "";
        for(int j=0; j<4-len(to_string(res[i].first)); j++){
            a += "0";
        }
        a += to_string(res[i].first);
        for(int j=0; j<4-len(to_string(res[i].second)); j++){
            b += "0";
        }
        b += to_string(res[i].second);
        cout << a << "-" << b << endl;
    }
}

Submission Info

Judge Result