Submission #552538

#	Time	Username	Problem	Language	Result	Execution time	Memory
552538		timreizin	Wiring (IOI17_wiring)	C++17	Compilation error	0 ms	0 KiB

wiring

#include "wiring.h"
#include <vector>
#include <cmath>

using namespace std;

using ll = long long;

ll min_total_length(vector<int> r, vector<int> b)
{
    vector<vector<ll>> dp(r.size(), vector<ll>(b.size()));
    for (int i = 0; i < b.size(); ++i)
    {
        dp[0][i] = abs(r[0] - b[i]);
        if (i != 0) dp[0][i] += dp[0][i - 1];
    }
    for (int i = 1; i < r.size(); ++i)
    {
        for (int j = 0; j < b.size(); ++j)
        {
            dp[i][j] = dp[i - 1][j] + abs(r[i] - b[j]);
            if (j != 0)
            {
                dp[i][j] = min({dp[i][j], dp[i][j - 1] + abs(r[i] - b[j]), dp[i - 1][j - 1] + abs(r[i] - b[j])});
            }
            /*ll sum = 0;
            for (int k = j - 1; k >= 0; --k)
            {
                sum += abs(r[i] - b[k + 1]);
                dp[i][j] = min(dp[i][j], dp[i - 1][k] + sum);
            }*/
        }
    }
	return dp.back().back();
}

Compilation message (stderr)

wiring.cpp: In function 'll min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for (int i = 0; i < b.size(); ++i)
      |                     ~~^~~~~~~~~~
wiring.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for (int i = 1; i < r.size(); ++i)
      |                     ~~^~~~~~~~~~
wiring.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         for (int j = 0; j < b.size(); ++j)
      |                         ~~^~~~~~~~~~
wiring.cpp:24:112: error: no matching function for call to 'min(<brace-enclosed initializer list>)'
   24 |                 dp[i][j] = min({dp[i][j], dp[i][j - 1] + abs(r[i] - b[j]), dp[i - 1][j - 1] + abs(r[i] - b[j])});
      |                                                                                                                ^
In file included from /usr/include/c++/10/vector:60,
                 from wiring.h:1,
                 from wiring.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
wiring.cpp:24:112: note:   candidate expects 2 arguments, 1 provided
   24 |                 dp[i][j] = min({dp[i][j], dp[i][j - 1] + abs(r[i] - b[j]), dp[i - 1][j - 1] + abs(r[i] - b[j])});
      |                                                                                                                ^
In file included from /usr/include/c++/10/vector:60,
                 from wiring.h:1,
                 from wiring.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
wiring.cpp:24:112: note:   candidate expects 3 arguments, 1 provided
   24 |                 dp[i][j] = min({dp[i][j], dp[i][j - 1] + abs(r[i] - b[j]), dp[i - 1][j - 1] + abs(r[i] - b[j])});
      |                                                                                                                ^