#include<bits/stdc++.h>
#define all(aa) aa.begin(), aa.end()
#define endl ("\n")
#define pb push_back
typedef long long ll;
const int maxn = 1e5 + 5;
using namespace std;
int n, k;
ll rem, cur, ans = LONG_LONG_MAX;
vector<pair<ll, ll>> v;
vector<ll> u;
ll mindist(pair<ll, ll> p, ll l, ll r){
if( (p.first <= l && l <= p.second ) || (p.first <= r && r <= p.second) )
return 0;
ll ret = min(abs(l - p.first), abs(l - p.second));
ret = min(ret, abs(r - p.first));
ret = min(ret, abs(r - p.second));
return 2*ret;
}
int main(){
cin >> k >> n;
for(int i = 0; i < n; i++){
char c1, c2;
int a, b;
cin >> c1 >> a >> c2 >> b;
if(a < b) swap(a, b);
rem+= a - b;
if(c1 != c2){
rem++;
v.pb({b, a});
u.pb(a), u.pb(b);
}
}
for(int l = 0; l < u.size(); l++){
for(int r = l; r < u.size(); r++){
cur = 0;
for(auto p : v){
cur += mindist(p, l, r);
}
ans = min(ans, cur);
}
}
cout << ans + rem << endl;
}
Compilation message
bridge.cpp: In function 'int main()':
bridge.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | for(int l = 0; l < u.size(); l++){
| ~~^~~~~~~~~~
bridge.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int r = l; r < u.size(); r++){
| ~~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |