nicegift.cpp:1:25: warning: extra tokens at end of #include directive
1 | #include <bits/stdc++.h>#define int long long#define fi first#define se secondusing namespace std;using ll = long long;using pii = pair <int, int>;#define pb push_backconst int maxN = 1e6 + 10;const int maxOP = 3e6;int n, k;int a[maxN];priority_queue <pii> PQ;vector <vector <int>> e;void Init(){ cin >> n >> k; for (int i = 1; i <= n; ++i){ cin >> a[i]; PQ.push({a[i], i}); } for (int i = 1; i * k <= maxOP; ++i){ vector <int> pos; for (int j = 0; j < k; ++j){ pos.pb(PQ.top().se); PQ.pop(); } if (!a[pos.back()]) break; e.pb({a[pos.back()]}); for (int j = 0; j < k; ++j){ e.back().pb(pos[j]); a[pos[j]] -= a[pos.back()]; } for (int j = 0; j < k; ++j){ PQ.push({a[pos[j]], pos[j]}); } } for (int i = 1; i <= n; ++i){ if (a[i]){ cout << -1; return; } } cout << e.size() << "\n"; for (auto &i: e){ for (auto &j: i) cout << j << " "; cout << "\n"; }}signed main() { Init();}
| ^
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crt1.o: in function `_start':
(.text+0x24): undefined reference to `main'
collect2: error: ld returned 1 exit status