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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#756844 | #5122. Strange Sum | hikaritocm# | Compile Error | / | / | C++14 | 1.0kb | 2024-11-16 22:15:16 | 2024-11-16 22:15:18 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
vector<int> tree(400005,-1e9-5);
void upd(int node, int l, int r, int pos, int val){
if(l==r) tree[node]=val;
else{
int mid=(l+r)/2;
if(pos<=mid)upd(node*2,l,mid,pos,val);
else upd(node*2+1,mid+1,r,pos,val);
tree[node]=max(tree[node*2],tree[node*2+1]);
}
}
int query(int node, int l, int r, int lx, int rx){
if(lx<=l and r<=rx){
return tree[node];
}
if(r<lx or rx<l){
return -1e9-5;
}
int mid=(l+r)/2;
return max(query(node*2,l,mid,lx,rx),query(node*2+1,mid+1,r,lx,rx));
}
void solve(){
int n;
cin>>n;
int ans=a[n];
ans=max(ans,0);
vector<int> a(n+1);
vector<int> mx(n+1);
for(int i=1; i<=n; i++){
cin>>a[i];
upd(1,1,n,i,a[i]);
// ans=max(ans,a[i]+)
}
for(int i=1; i<=n-1; i++){
int j=i+i-1;
j=min(j,n);
ans=max(ans,a[i]+query(1,1,n,i+1,j));
}
cout<<ans<<endl;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
int t=1;
// cin>>t;
while(t--) solve();
}
详细
answer.code: In function ‘void solve()’: answer.code:27:17: error: ‘a’ was not declared in this scope 27 | int ans=a[n]; | ^ answer.code:28:16: error: no matching function for call to ‘max(long long int&, int)’ 28 | ans=max(ans,0); | ~~~^~~~~~~ In file included from /usr/include/c++/13/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51, from answer.code:1: /usr/include/c++/13/bits/stl_algobase.h:257:5: note: candidate: ‘template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)’ 257 | max(const _Tp& __a, const _Tp& __b) | ^~~ /usr/include/c++/13/bits/stl_algobase.h:257:5: note: template argument deduction/substitution failed: answer.code:28:16: note: deduced conflicting types for parameter ‘const _Tp’ (‘long long int’ and ‘int’) 28 | ans=max(ans,0); | ~~~^~~~~~~ /usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidate: ‘template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)’ 303 | max(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ /usr/include/c++/13/bits/stl_algobase.h:303:5: note: template argument deduction/substitution failed: answer.code:28:16: note: deduced conflicting types for parameter ‘const _Tp’ (‘long long int’ and ‘int’) 28 | ans=max(ans,0); | ~~~^~~~~~~ In file included from /usr/include/c++/13/algorithm:61: /usr/include/c++/13/bits/stl_algo.h:5795:5: note: candidate: ‘template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)’ 5795 | max(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/13/bits/stl_algo.h:5795:5: note: template argument deduction/substitution failed: answer.code:28:16: note: mismatched types ‘std::initializer_list<_Tp>’ and ‘long long int’ 28 | ans=max(ans,0); | ~~~^~~~~~~ /usr/include/c++/13/bits/stl_algo.h:5805:5: note: candidate: ‘template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)’ 5805 | max(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/13/bits/stl_algo.h:5805:5: note: template argument deduction/substitution failed: answer.code:28:16: note: mismatched types ‘std::initializer_list<_Tp>’ and ‘long long int’ 28 | ans=max(ans,0); | ~~~^~~~~~~