Submission #218739

#	Time	Username	Problem	Language	Result	Execution time	Memory
218739		someone_aa	K blocks (IZhO14_blocks)	C++17	Compilation error	0 ms	0 KiB

blocks

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 100100;
const int maxk = 110;
ll n, k;
ll dp[maxn][maxk];
ll arr[maxn];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	cin>>n>>k;
	int prefmax = 0;

	for(int i=0;i<=n;i++) {
		for(int j=0;j<=k;j++) {
			dp[i][j] = (INT_MAX);
		}
	}

	for(int i=1;i<=n;i++) {
		cin>>arr[i];
		prefmax = max(prefmax, arr[i]);
		dp[i][1] = prefmax;
	}


	for(int d=2;d<=k;d++) {
		stack<int>dps, arrs;
		for(int i=1;i<=n;i++) {
			int curr = dp[i-1][d-1];

			while(!arrs.empty() && arrs.top() < arr[i]) {
				curr = min(curr, dps.top());
				arrs.pop();
				dps.pop();
			}

			if(arrs.empty() || arrs.top() + dps.top() >= curr + arr[i]) {
				arrs.push(arr[i]);
				dps.push(curr);
			}

			if(i >= d) dp[i][d] = arrs.top() + dps.top();
		}
	}
	cout<<dp[n][k]<<"\n";
}

Compilation message (stderr)

blocks.cpp: In function 'int main()':
blocks.cpp:27:32: error: no matching function for call to 'max(int&, long long int&)'
   prefmax = max(prefmax, arr[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 blocks.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)
     max(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
blocks.cpp:27:32: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   prefmax = max(prefmax, arr[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 blocks.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:265:5: note:   template argument deduction/substitution failed:
blocks.cpp:27:32: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   prefmax = max(prefmax, arr[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 blocks.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3462:5: note: candidate: template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)
     max(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3462:5: note:   template argument deduction/substitution failed:
blocks.cpp:27:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   prefmax = max(prefmax, arr[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 blocks.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3468:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
blocks.cpp:27:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   prefmax = max(prefmax, arr[i]);
                                ^