#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
signed main(){
ios_base::sync_with_stdio();
cin.tie(0);cout.tie(0);
int k,n;
cin>>k>>n;
vector <char> t1(n),t2(n);
vector <int> x(n),y(n);
for(int i=0;i<n;i++){
cin>>t1[i]>>x[i]>>t2[i]>>y[i];
}
int ans=0,sum=0;
vector <int> v,pr;
for(int j=0;j<n;j++){
if(t1[j]==t2[j])ans+=abs(x[j]-y[j]);
else{
ans++;
v.pb(x[j]);v.pb(y[j]);
}
}
sort(all(v));
for(int i=0;i<v.size();i++){
sum+=v[i];
pr.pb(sum);
}
int mn=1e18;
for(int i=0;i<n;i++){
int res=ans;
auto it=upper_bound(all(v),x[i]);
if(it!=v.end()){
int pos=it-v.begin();
int cnt=v.size()-pos;
pos--;
int d=pr.back();
if(pos>=0)d-=pr[pos];
res+=d-cnt*x[i];
}
if(it!=v.begin()){
it--;
int pos=it-v.begin();
int d=pr[pos];pos++;
res+=pos*x[i]-d;
}
mn=min(mn,res);
}
cout<<mn<<"\n";
}
/*
1 5
B 0 A 4
B 1 B 3
A 5 B 7
B 2 A 6
B 1 A 7
*/
Compilation message
bridge.cpp: In function 'int main()':
bridge.cpp:29:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int i=0;i<v.size();i++){
| ~^~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
3 ms |
344 KB |
Output is correct |
10 |
Correct |
2 ms |
600 KB |
Output is correct |
11 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
36 ms |
6668 KB |
Output is correct |
13 |
Correct |
96 ms |
9152 KB |
Output is correct |
14 |
Correct |
63 ms |
7612 KB |
Output is correct |
15 |
Incorrect |
53 ms |
5060 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
504 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |