#include <bits/stdc++.h> #define ll long long #define int long long #define pb push_back #define fi first #define se second using namespace std; const int MAXN = 2e5+10; const int INF = 1e18+10; typedef pair<int,int> pii; typedef pair<int,pii> ipii; int K, n; int ans; vector <int> vec; int pr[MAXN]; signed main(){ // ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); cin >> K >> n; vec.pb(-1); for(int i=1; i<=n; i++){ char x, y; int a, b; cin >> x >> a >> y >> b; a++; b++; if(x==y) ans += abs(a-b); else { vec.pb(a); vec.pb(b); } } sort(vec.begin(), vec.end()); int MN = INF, siz = vec.size()-1; for(int i=1; i<=vec.size()-1; i++){ ans += abs(vec[(siz+1)/2]-vec[i]); } ans += siz/2; cout << ans << '\n'; }

bridge.cpp: In function 'int main()':
bridge.cpp:33:16: 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]
   33 |  for(int i=1; i<=vec.size()-1; i++){
      |               ~^~~~~~~~~~~~~~
bridge.cpp:32:6: warning: unused variable 'MN' [-Wunused-variable]
   32 |  int MN = INF, siz = vec.size()-1;
      |      ^~