Submission #1091911

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091911		idk__	Bouquet (EGOI24_bouquet)	C++14	8 / 100	19 ms	2784 KiB

Main

#include <bits/stdc++.h>
using namespace std;




int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin >> n;
    pair<int, int>a[n];
    bool flag = 1;
    bool flag2 = 1;
    int xx,yy;
    for(int i = 0;i < n; i++){
        int x, y; cin >> x >> y;
        a[i] = {x, y};
        if(!i)xx=y, yy=y;
        if(x!=y or xx!=x)flag = 0;
        if(y!=0)flag2 = 0;
    }
    
    if(flag){

        int cnt = 0;
        for(int i = 0;i < n;){
            i+=xx+1;
            cnt++;
        }
        cout << cnt << endl;
    }
//     7
// 0 0 = 1
// 0 0 = 1
// 1 0
// 1 0
// 2 0
// 3 0
// 2 0
//last = 1, 2-1=1
    else if(flag2){
        int cnt = 0;
        int check[n]={};
        int last = 0;
        for(int i = 0;i < n; i++){
            auto [x, y] = a[i];
            if(i-x-1 < 0)check[i]=1, cnt++;
            else{
                if(last < i-x)check[i]=1, cnt++;
                
            }

            if(check[i])last = i;
        }
        cout << cnt << endl;
    }
   
    

   
 
 
 
   }

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:47:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   47 |             auto [x, y] = a[i];
      |                  ^
Main.cpp:15:12: warning: variable 'yy' set but not used [-Wunused-but-set-variable]
   15 |     int xx,yy;
      |            ^~

• Subtask 1: 8 / 8
• Subtask 2: 0 / 16
• Subtask 3: 0 / 28
• Subtask 4: 0 / 18
• Subtask 5: 0 / 30