Submission #1209974

#TimeUsernameProblemLanguageResultExecution timeMemory
1209974anfiDetecting Molecules (IOI16_molecules)C++20
Compilation error
0 ms0 KiB
#include "molecules.h" #include<bits/stdc++.h> using namespace std; #define fi first #define se second using int64 = long long; #define pi pair<int64, int64> #define artefak pair<pi, pi> const int64 inf = -(1LL << 40); const int64 mxn = (1 << 18); int64 parent[4*mxn],sz[4*mxn],val[mxn*4][2],mx[mxn*4]; int64 find(int n){ return parent[n] == n ? n : parent[n] = find(parent[n]); } int64 hitung(int n){ if(sz[n]%2 == 0) return 0; return max(val[n][n&1], mx[n]); } vector<int64> solve(int l, int u, vector<int64> &a){ int64 n = a.size(); vector<pair<int64,int64>> wawi; for(int i = 0; i < n; i++) wawi.push_back({a[i], i}); int64 ll = 0, rr = 0,sum = 0; while(ll < n){ while(rr < n && sum < l) sum += wawi[rr++].fi; if(l <= sum && sum <= u){ vector<int64> ans; for(int i = ll; i < rr; i++) ans.push_back(wawi[i].se); return ans; } sum -= wawi[ll++].fi; if(l <= sum && sum <= u){ vector<int64> ans; for(int i = ll; i < rr; i++) ans.push_back(wawi[i].se); return ans; } } return vector<int64>(0); }

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/usr/bin/ld: /tmp/ccByu7SC.o: in function `main':
grader.cpp:(.text.startup+0x173): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status