제출 #1121860

#제출 시각아이디문제언어결과실행 시간메모리
1121860adiyerStranded Far From Home (BOI22_island)C++17
컴파일 에러
0 ms0 KiB
#pragma optimize ("g",on) #pragma GCC optimize("inline") #pragma GCC optimize ("Ofast") #pragma GCC optimize ("unroll-loops") #pragma GCC optimize ("03") #include <bits/stdc++.h> #define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout); #define adiyer(); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define bitcount(n) __builtin_popcountll(n) #define ent (i == n ? '\n' : ' ') #define all(x) x.begin(), x.end() #define md ((l + r) >> 1) #define rv(v) ((v << 1) | 1) #define lv(v) (v << 1) #define rs(v) rv(v), md + 1, r #define ls(v) lv(v), l, md #define len(s) (int) s.size() #define pb push_back #define S second #define F first // #define int long long using namespace std; typedef long long ll; typedef long double ldb; typedef vector < ll > vll; typedef pair < ll, ll > pll; typedef vector < pair < ll, ll > > vpll; const int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; const int dy[8] = {0, 1, 0, -1, -1, 1, -1, 1}; const int N = 2e5 + 11; const int mod = 998244353; const int mod2 = 1e9 + 7; const ll inf = 1e18 + 10; const double eps = 1e-9; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); ll n, m, cnt, sum; ll a[N], ok[N], was[N], mx[N], st[N], was2[N]; vll g[N]; set < pair < ll, ll > > q; void bfs(ll S){ queue < ll > qu; was2[S] = 1, qu.push(S); while(len(qu)){ ll s = qu.front(); qu.pop(); cnt = 0, q.clear(), st[s] = 1, was[s] = s, q.insert({0, s}); bool cur = 1; for(ll u : g[s]){ if(a[u] < a[s] && mx[u] >= a[s] && !ok[u]){ ok[s] = 0, mx[s] = mx[u], cur = 0; } if(a[u] < a[s] && ok[u]){ ok[s] = 1, mx[s] = sum, cur = 0; } } if(cur){ bool br = 0; while(len(q)){ ll c = (q.begin() -> F), v = (q.begin() -> S); if(cnt < c){ ok[s] = 0; break; } if(ok[v]){ ok[s] = 1; break; } cnt += a[v]; if(cnt >= a[pos]){ cnt = sum; ok[s] = 1; break; } q.erase(q.begin()); for(ll u : g[v]){ if(was[u] != s){ was[u] = s, q.insert({a[u], u}); if(cnt > a[u] && ok[u]{ ok[v] = 1, cnt = sum; br = 1; break; } } } if(br) break; if(q.empty()){ ok[s] = 1; } } mx[s] = cnt; if(ok[s]) mx[s] = sum; } for(ll u : g[s]) if(!was2[u]) was2[u] = 1, qu.push(u); } } void output(){ ll pos = 1; cin >> n >> m; for(ll i = 1; i <= n; i++) cin >> a[i], sum += a[i], pos = (a[pos] < a[i] ? i : pos); for(ll i = 1; i <= m; i++){ ll u, v; cin >> u >> v; g[v].pb(u), g[u].pb(v); } bfs(pos); for(ll i = 1; i <= n; i++) cout << ok[i]; } const bool cases = 0; signed main(){ // file("abbreviation"); adiyer(); int tt = 1; if(cases) cin >> tt; for(int i = 1; i <= tt; i++){ // cout << "Case " << i << ":\n"; output(); } }

컴파일 시 표준 에러 (stderr) 메시지

island.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize ("g",on)
      | 
island.cpp: In function 'void bfs(ll)':
island.cpp:76:29: error: 'pos' was not declared in this scope; did you mean 'pow'?
   76 |                 if(cnt >= a[pos]){
      |                             ^~~
      |                             pow
island.cpp:85:47: error: expected ')' before '{' token
   85 |                         if(cnt > a[u] && ok[u]{
      |                           ~                   ^
      |                                               )
island.cpp:90:21: error: expected primary-expression before '}' token
   90 |                     }
      |                     ^