#pragma GCC optimize("Ofast,unroll-loops") #include <bits/stdc++.h> //#define int long long #define ll int #define ull unsigned long long #define down cout<<'\n'; #define debug cout<<" cucuucucuuu",down #define modwwe int t;cin>>t; while(t--) #define bit(i,j) (i>>j&1) #define sobit(a) __builtin_popcountll(a) #define task2 "top1apio" #define task "test" #define fin(x) freopen(x".inp","r",stdin) #define fou(x) freopen(x".out","w",stdout) #define pb push_back #define mask(k) (1ll<<k) #define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms"; using namespace std; #define getchar_unlocked getchar mt19937 rd(chrono::steady_clock::now().time_since_epoch().count()); using i128 = __int128; int rand(int l, int r) { return uniform_int_distribution<int>(l, r)(rd); } void phongbeo(); const int inf = 1e17; const int mod2 = 998244353; //const ll base=67; ll n, m, s1, s2, s4, s3, sf, k, s5, s6, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center; ll i, s10, s12, k1, k2, k3, s11, w, l, r, dem5, dem6, dem7, dem9, root,q; ll el = 19; vector<int> ans,a,rv[5001],vc; bool ok[5001],vis[5001]; int deg[5001],cnt[5001]; bool work() { stack<int> s; for(int i=0; i<n; i++)vis[i]=0,cnt[i]=0; for(auto x:vc) s.push(x),vis[x]=1; while(!s.empty()) { int x=s.top(); s.pop(); for(auto f:rv[x]){ cnt[f]++; if(!vis[f]) { if(a[f]==1) { if(cnt[f]==1) { vis[f]=1; s.push(f); } } else { if(cnt[f]==deg[f]) { vis[f]=1; s.push(f); } } } } } bool xc=1; for(auto x:vc) if(a[x]==1) { if(cnt[x]==0) { xc=0; ok[x]=1; } } else { if(cnt[x]<deg[x]) { xc=0; ok[x]=1; } } return xc; } vector<int> who_wins(vector<int> A,vector<int>R,vector<int> U,vector<int> V) { a=A; n=R.size(); for(int i=0; i<U.size(); i++) rv[V[i]].pb(U[i]), deg[U[i]]++; for(int i=0; i<n; i++) if(R[i])vc.pb(i); ans.resize(n); while(true) { if(work())break; vc.clear(); for(int i=0; i<n; i++)if(!ok[i]&&R[i])vc.pb(i); } for(int i=0;i<n;i++)ans[i]=vis[i]; return ans; }

train.cpp:27:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+17' to '2147483647' [-Woverflow]
   27 | const int inf = 1e17;
      |                 ^~~~