Submission #845083

#	Time	Username	Problem	Language	Result	Execution time	Memory
845083		vjudge1	Datum (COCI20_datum)	C++17	50 / 50	42 ms	528 KiB

datum

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007
#define ll long long
#define pri pair<int,int>
#define prl pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define vp vector<pair<int,int>>
#define vpl vector<pair<ll,ll>>
#define re return 0
#define sqrt sqrtl

int check(int m, int d, int y) {
    if (m==0 || d==0) return 0;
    if (m>12) return 0;
    if (m==1 || m==3 || m==5 || m==7 || m==8 || m==10 || m==12) {
        if (d<=31) return 1;
        else return 0;
    } else if (m==2) {
        if (y%4==0 && d<=29 || d<=28) return 1;
        else return 0; 
    } else {
        if (d<=30) return 1;
        else return 0;
    }
    return 0;
}

int32_t main() {
    int t;cin>>t;
    while (t--) {
        string s1;cin>>s1;
        int d1 = s1[9]-48, d2 = s1[8]-48;
        int d = d1*10 + d2;
        int m1 = s1[7]-48, m2 = s1[6]-48;
        int m = m1*10+ m2;

        int y = m2*1000 + m1*100 + d2*10 + d1;
        int cm = s1[4]-48 + (s1[3]-48)*10;
        int cd = s1[1]-48 + (s1[0]-48)*10;
        
        if ((cm<m || cm==m && cd<d) && check(m,d,y)) {
            if (d/10 == 0) cout<<"0"<<d<<".";
            else cout<<d<<".";
            if (m/10==0) cout<<"0"<<m<<".";
            else cout<<m<<".";
            if (y/1000 == 0)cout<<"0"<<y;
            else cout<<y;
            cout<<"."<<endl; 
        } else {
            int x = y+1;
            while (1) {
                int d1 = x%10, d2 = (x/10) % 10;
                int m1 = (x/100)%10, m2 = (x/1000)%10;
                int m = m1*10+m2;
                int d = d1*10+d2;
                if (check(m, d,x)) {
                    if (d/10 == 0) cout<<"0"<<d<<".";
                    else cout<<d<<".";
                    if (m/10==0) cout<<"0"<<m<<".";
                    else cout<<m<<".";
                    if (x/1000 == 0) cout<<"0"<<x;
                    else cout<<x; 
                    break;
                } x++;
            }
            cout<<"."<<endl;
        }
        
        
    } 
    return 0;
}

Compilation message (stderr)

datum.cpp: In function 'int check(int, int, int)':
datum.cpp:22:20: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   22 |         if (y%4==0 && d<=29 || d<=28) return 1;
      |             ~~~~~~~^~~~~~~~
datum.cpp: In function 'int32_t main()':
datum.cpp:44:28: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   44 |         if ((cm<m || cm==m && cd<d) && check(m,d,y)) {
      |                      ~~~~~~^~~~~~~

• Subtask 1: 50 / 50