#include <iostream> #include <vector> #include <cmath> #include <algorithm> using namespace std; int main() { int K, N; cin >> K >> N; if(K == 1) { long long res = 0; char c1, c2; long long e1, e2; vector<long long> A; for(int i = 1; i <= N; i++) { cin >> c1 >> e1 >> c2 >> e2; if(c1 == c2) res += abs(e1 - e2); else { A.push_back(e1); A.push_back(e2); res += 1; } } sort(A.begin(), A.end()); for(int i = 0; i < A.size(); i++) res += abs(A[i] - A[A.size()/2]); cout << res << '\n'; return 0; } else { long long res = 0; char c1, c2; long long e1, e2; vector<long long> A; for(int i = 1; i <= N; i++) { cin >> c1 >> e1 >> c2 >> e2; if(c1 == c2) res += abs(e1 - e2); else { A.push_back(e1); A.push_back(e2); res += 1; } } return 0; } }

bridge.cpp: In function 'int main()':
bridge.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for(int i = 0; i < A.size(); i++) res += abs(A[i] - A[A.size()/2]);
      |                        ~~^~~~~~~~~~