Submission #706597

#	Time	Username	Problem	Language	Result	Execution time	Memory
706597		YugiHacker	Unija (COCI17_unija)	C++14	100 / 100	302 ms	23256 KiB

unija

#include<bits/stdc++.h>
#define el cout<<"\n"
#define f0(i,n) for(int i=0;i<n;++i)
#define f1(i,n) for(int i=1;i<=n;++i)
#define maxn 1000006
#define pii pair<int, int>
#define fi first
#define se second
using namespace std;
int n;
pair<int, int> a[maxn];
main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n;
    f1 (i, n) cin >> a[i].fi >> a[i].se;
    sort(a+1, a+n+1);
    long long ans = 0;
    int maSe = 0;
    for (int i=n; i; i--)
    {
        maSe = max(maSe, a[i].se);
        ans += 1ll*(a[i].fi-a[i-1].fi) * maSe;
    }
    cout << ans;
}

Compilation message (stderr)

unija.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main()
      | ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10