Submission #56630

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
56630	2018-07-12T03:41:09 Z	leejseo	Palembang Bridges (APIO15_bridge)	C++17	Compilation error	0 ms	0 KB

bridge

#include <bits/stdc++.h>
using namespace std;
 
int K, N;
 
void solve1(){
	long long ans = 0;
	vector<int> L;
	int u, v;
	char x, y;
	for(int i=0; i<N; i++){
		scanf("%c %d %c %d\n", &x, &u, &y, &v);		
		if (x == y) ans += abs(u-v);
		else{
			L.push_back(u);
			L.push_back(v);
		}
	}
	sort(L.begin(), L.end());
	int M = L.size();
	if (M == 0){
		printf("%lld\n", ans);
		return;
	}
	long long mid = L[M/2];
	for (int i=0; i<M; i++) ans += abs(L[i] - mid);
	ans += M/2;
	printf("%lld\n", ans);
	L.clear();
	return;
}
 
long long f(vector<int>&X, vector<int>&Y, int s){
	vector<int> lo, hi;
	int N = X.size();
	for (int i=0; i<N; i++){
		if (X[i] + Y[i] < s){
			lo.push_back(X[i]);
			lo.push_back(Y[i]);
		}
		else{
			hi.push_back(X[i]);
			hi.push_back(Y[i]);
		}
	}
	long long ans = 0LL;
	sort(lo.begin(), lo.end());
	sort(hi.begin(), hi.end());
	for (int i=0; i<N; i++){
		if (X[i] + Y[i] < s) ans += abs(X[i]-lo[lo.size()/2])+abs(Y[i]-lo[lo.size()/2]); 
		else ans += abs(X[i]-hi[hi.size()/2])+abs(Y[i]-hi[hi.size()/2]);
	}
	lo.clear();
	hi.clear();
	return ans;
}
 
void solve2(){
	long long ans = 0;
	vector<int> S;
	vector<int> X;
	vector<int> Y;
	int u, v;
	char x, y;
	for(int i=0; i<N; i++){
		scanf("%c %d %c %d\n", &x, &u, &y, &v);		
		if (x == y) ans += abs(u-v);
		else{
			S.push_back(u+v);
			X.push_back(u);
			Y.push_back(v);
		}
	}
	int M = X.size();
	if (M == 0){
		printf("%lld\n", ans);
		return;
	}
	sort(S.begin(), S.end());
	unique(S.begin(), S.end());
	int lo = 0, hi = S.size()-1;
	long long temp = 1LL << 61;
    if (hi <= 2000){
		for (int i=lo; i<=hi; i++){
			temp = min(temp, f(X, Y, S[i]));
		}
    }
    else{
      while (lo + 40 < hi){
			int llh = (lo + lo + hi)/3;
			int lhh = (lo + hi + hi + 1)/3;
			long long left = f(X, Y, S[llh]), right = f(X, Y, S[lhh]);
			if (left <= right) hi = lhh - 1;
			else lo = llh+1;
		}
		for (int i=max(0, lo-10); i<=min(S.size()-1, hi+10); i++){
			temp = min(temp, f(X, Y, S[i]));
		}
    }
	ans += temp;
	ans += M;
	printf("%lld\n", ans);
	return;
}
int main(void){
	scanf("%d%d\n", &K, &N);
	if (K == 1) solve1();
	else solve2();
}

Compilation message

bridge.cpp: In function 'void solve2()':
bridge.cpp:96:53: error: no matching function for call to 'min(std::vector<int>::size_type, int)'
   for (int i=max(0, lo-10); i<=min(S.size()-1, hi+10); i++){
                                                     ^
In file included from /usr/include/c++/7/bits/specfun.h:45:0,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from bridge.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:195:5: note: candidate: template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:195:5: note:   template argument deduction/substitution failed:
bridge.cpp:96:53: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'int')
   for (int i=max(0, lo-10); i<=min(S.size()-1, hi+10); i++){
                                                     ^
In file included from /usr/include/c++/7/bits/specfun.h:45:0,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from bridge.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:243:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:243:5: note:   template argument deduction/substitution failed:
bridge.cpp:96:53: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'int')
   for (int i=max(0, lo-10); i<=min(S.size()-1, hi+10); i++){
                                                     ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from bridge.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3450:5: note: candidate: template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)
     min(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
bridge.cpp:96:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   for (int i=max(0, lo-10); i<=min(S.size()-1, hi+10); i++){
                                                     ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from bridge.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3456:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3456:5: note:   template argument deduction/substitution failed:
bridge.cpp:96:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   for (int i=max(0, lo-10); i<=min(S.size()-1, hi+10); i++){
                                                     ^
bridge.cpp: In function 'void solve1()':
bridge.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%c %d %c %d\n", &x, &u, &y, &v);  
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridge.cpp: In function 'void solve2()':
bridge.cpp:66:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%c %d %c %d\n", &x, &u, &y, &v);  
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridge.cpp: In function 'int main()':
bridge.cpp:106:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d\n", &K, &N);
  ~~~~~^~~~~~~~~~~~~~~~~~