Submission #765871

#	Time	Username	Problem	Language	Result	Execution time	Memory
765871		raysh07	Boxes with souvenirs (IOI15_boxes)	C++17	Compilation error	0 ms	0 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
 
long long delivery(int N, int K, int L, int a[]) {
    long long ans = 0;
    int n = N;
    int k = K;
    int l = 0, r = n - 1;
    
    while((r - l + 1) >= k){
        int mx = 0;
        for (int i = l; i < l + k; i++) mx = max(mx, a[i]);
        
        if (mx > (L - 1) / 2) break;
        ans += 2 * mx;
        l += k;
    }
    
    while ((r - l + 1) >= k){
        int mn = 1e9;
        for (int i = r; i > r - k; i--) mn = min(mn, a[i]);
        
        if (mn <= (L - 1) / 2) break;
        ans += 2 * (L - mn);
        r -= k;
    }
    
    int old = ans;
    
    if ((r - l + 1) <= k) ans += L;
    else ans += 2 * L;
    
    int mx = 0;
    for (int i = l; i <= r; i++){
        if (a[i] > (L - 1) / 2) break;
        mx = max(mx, a[i]);
    }
    
    int mn = L;
    
    for (int i = r; i >= l; i--){
        if (a[i] <= (L - 1) / 2) break;
        mn = min(mn, a[i]);
    }
    
    ans = min(ans, old + 2 * mx + 2 * (L - mn));
    
    return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:29:15: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   29 |     int old = ans;
      |               ^~~
boxes.cpp:47:47: error: no matching function for call to 'min(long long int&, int)'
   47 |     ans = min(ans, old + 2 * mx + 2 * (L - mn));
      |                                               ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from boxes.cpp:2:
/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:
boxes.cpp:47:47: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   47 |     ans = min(ans, old + 2 * mx + 2 * (L - mn));
      |                                               ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from boxes.cpp:2:
/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:
boxes.cpp:47:47: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   47 |     ans = min(ans, old + 2 * mx + 2 * (L - mn));
      |                                               ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from boxes.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
boxes.cpp:47:47: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   47 |     ans = min(ans, old + 2 * mx + 2 * (L - mn));
      |                                               ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from boxes.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
boxes.cpp:47:47: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   47 |     ans = min(ans, old + 2 * mx + 2 * (L - mn));
      |                                               ^