Submission #699199

#	Time	Username	Problem	Language	Result	Execution time	Memory
699199		Elrawy1	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	212 KiB

art

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef string str ;
typedef double db;
#define endl '\n';
const int N=1e5+4;
const double pi=3.14159265359;

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

int n;
cin>>n;
map<ll,ll>x;
ll sum=0;
ll d[n];
for(int i=0;i<n;i++){
    ll m,k;
    cin>>m>>k;
    sum+=k;
    x[m]+=k;
    d[i]=m;

}
 ll j=sum;

sort(d,d+n);
ll Max=0,s,o;
for(int i=n-1;i>0;i--){
    if(i==n-1||d[i]!=o) {
        s = d[i] - d[0];
        Max = max(Max, (sum - s));
        sum -= x[d[i]];
        o=d[i];

    }
}
    for(int i=0;i<n;i++){
        if(i==0||d[i]!=o) {
            s = d[n-1] - d[i];
            Max = max(Max, (j - s));
            j -= x[d[i]];
            o=d[i];

        }
    }
cout<<Max;


}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:31:14: warning: 'o' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |     if(i==n-1||d[i]!=o) {
      |        ~~~~~~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50