Submission #443814

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
443814	2021-07-12 06:54:03	impri	Palembang Bridges (APIO15_bridge)	C++14	22 / 100	128 ms	3480 KiB

bridge

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#include<bits/stdc++.h>
using namespace std;
int main(void){
int k,n;
vector<int>arr;
cin >> k >> n;
long long res=0;
for(int i=1;i<=n;i++){
    char a,b;
    int c,d;
    cin >> a >> c >> b >> d;
    if(a==b)res+=abs(c-d);
    else{
        arr.push_back(c);
        arr.push_back(d);
    }
}
if(arr.empty()){
    cout << res;
    return 0;
}
sort(arr.begin(),arr.end());
res+=(arr.size())/2;
int mid=(arr.size())/2;
for(int i=0;i<arr.size();i++){
    res+=abs(arr[i]-arr[mid]);
}
cout << res;
}
 
 
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:26:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | for(int i=0;i<arr.size();i++){
      |             ~^~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37