Submission #1125640

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125640		baoheyhey	K blocks (IZhO14_blocks)	C++17	Compilation error	0 ms	0 KiB

blocks

#include<bits/stdc++.h>
#define ll long long
#define FOR(i, l, r) for(int i = (l), _r = r; i <= _r; ++i)
#define FOD(i, l, r) for(int i = (l), _r = r; i >= _r; --i)
#define pb push_back
#define ALL(a) a.begin(), a.end()
#define el "\n"
#define bit(a, x) (a >> x & 1)
#define X first
#define Y second
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define cntbit(x) __builtin_popcountll(x)
#define uni(a) sort(ALL(a)), a.resize(unique(ALL(a)) - a.begin())
#define sz(a) a.size()

using namespace std;

typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;

const int maxn = 1e5 + 5;

ll dp[maxn][105];
ll n, a[maxn], k;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    #define task "task"
//    if(fopen(task".inp", "r")){
//        freopen(task".inp", "r", stdin);
//        freopen(task".out", "w", stdout);
//    }
    cin >> n >> k;
    FOR(i, 1, n) cin >> a[i];
    memset(dp, 0x3f, sizeof(dp));
    dp[0][1] = 0;
    FOR(i, 1, n) dp[i][1] = max(dp[i - 1][1], a[i]);
    FOR(i, 2, k){
        stack<pll> st;
        FOR(j, i, n){
            int minn = dp[j - 1][i - 1];
            while(sz(st) && a[st.top().Y] <= a[j]){
                minn = min(minn, st.top().X);
                st.pop();
            }
            dp[j][i] = min(dp[(sz(st) ? st.top().Y : 0)][i], minn + a[j]);
            st.push({minn, j});
        }
    }
    cout << dp[n][k];
    cerr << "Time elapsed: " << TIME << " s" << el;
}

Compilation message (stderr)

blocks.cpp: In function 'int main()':
blocks.cpp:46:27: error: no matching function for call to 'min(int&, long long int&)'
   46 |                 minn = min(minn, st.top().X);
      |                        ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from blocks.cpp:1:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
blocks.cpp:46:27: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   46 |                 minn = min(minn, st.top().X);
      |                        ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from blocks.cpp:1:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
blocks.cpp:46:27: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   46 |                 minn = min(minn, st.top().X);
      |                        ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from blocks.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3449:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3449 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3449:5: note:   template argument deduction/substitution failed:
blocks.cpp:46:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   46 |                 minn = min(minn, st.top().X);
      |                        ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from blocks.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3455:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3455 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3455:5: note:   template argument deduction/substitution failed:
blocks.cpp:46:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   46 |                 minn = min(minn, st.top().X);
      |                        ~~~^~~~~~~~~~~~~~~~~~