#pragma GCC optimize("Ofast") #pragma GCC optimization (unroll-loops) #pragma GCC target("avx,avx2,fma") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx") #pragma GCC optimize("O3") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra") #pragma GCC optimize("-ftree-pre") #pragma GCC optimize("-ftree-vrp") #pragma GCC optimize("-fpeephole2") #pragma GCC optimize("-ffast-math") #pragma GCC optimize("-fsched-spec") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-falign-jumps") #pragma GCC optimize("-falign-loops") #pragma GCC optimize("-falign-labels") #pragma GCC optimize("-fdevirtualize") #pragma GCC optimize("-fcaller-saves") #pragma GCC optimize("-fcrossjumping") #pragma GCC optimize("-fthread-jumps") #pragma GCC optimize("-funroll-loops") #pragma GCC optimize("-freorder-blocks") #pragma GCC optimize("-fschedule-insns") #pragma GCC optimize("inline-functions") #pragma GCC optimize("-ftree-tail-merge") #pragma GCC optimize("-fschedule-insns2") #pragma GCC optimize("-fstrict-aliasing") #pragma GCC optimize("-falign-functions") #pragma GCC optimize("-fcse-follow-jumps") #pragma GCC optimize("-fsched-interblock") #pragma GCC optimize("-fpartial-inlining") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("-freorder-functions") #pragma GCC optimize("-findirect-inlining") #pragma GCC optimize("-fhoist-adjacent-loads") #pragma GCC optimize("-frerun-cse-after-loop") #pragma GCC optimize("inline-small-functions") #pragma GCC optimize("-finline-small-functions") #pragma GCC optimize("-ftree-switch-conversion") #pragma GCC optimize("-foptimize-sibling-calls") #pragma GCC optimize("-fexpensive-optimizations") #pragma GCC optimize("inline-functions-called-once") #pragma GCC optimize("-fdelete-null-pointer-checks") #include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (int i = 0; i < (n); i++) #define st first #define nd second #define pb push_back #define pii pair<int, int> #define pll pair<ll, ll> #define all(a) a.begin(), a.end() const ll INF = 1e18; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; ll A[n]; ll B[m]; rep(i, n) cin >> A[i]; rep(i, m) cin >> B[i]; vector<pll> xda; vector<pll> xdb; rep(i, n - 1) { pll pom = {A[i + 1] - A[i], 1ll}; while (!xda.empty() && (xda.back().st * pom.nd) >= (pom.st * xda.back().nd)) { pom.st += xda.back().st; pom.nd += xda.back().nd; xda.pop_back(); } xda.pb(pom); } rep(i, m - 1) { pll pom = {B[i + 1] - B[i], 1ll}; while (!xdb.empty() && (xdb.back().st * pom.nd) >= (pom.st * xdb.back().nd)) { pom.st += xdb.back().st; pom.nd += xdb.back().nd; xdb.pop_back(); } xdb.pb(pom); } int sza = xda.size(); int szb = xdb.size(); int ita = 0; int itb = 0; ll x = 0; ll y = 0; ll ans = 0ll; while (ita < sza || itb < szb) { if (ita == sza) { ans += (A[x] * xdb[itb].nd); y += xdb[itb].nd; itb++; } else if (itb == szb) { ans += (B[y] * xda[ita].nd); x += xda[ita].nd; ita++; } else { if ((xda[ita].st * xdb[itb].nd) > (xdb[itb].st * xda[ita].nd)) { ans += (A[x] * xdb[itb].nd); y += xdb[itb].nd; itb++; } else { ans += (B[y] * xda[ita].nd); x += xda[ita].nd; ita++; } } } cout << ans << '\n'; return 0; }

In file included from /usr/include/c++/13/string:43,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
                 from kyoto.cpp:46:
/usr/include/c++/13/bits/allocator.h: In destructor 'constexpr std::_Vector_base<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > >::_Vector_impl::~_Vector_impl()':
/usr/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to 'always_inline' 'constexpr std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = std::pair<long long int, long long int>]': target specific option mismatch
  184 |       ~allocator() _GLIBCXX_NOTHROW { }
      |       ^
In file included from /usr/include/c++/13/vector:66,
                 from /usr/include/c++/13/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53:
/usr/include/c++/13/bits/stl_vector.h:133:14: note: called from here
  133 |       struct _Vector_impl
      |              ^~~~~~~~~~~~