oj.uz

Submission #531655

# Submission time Handle Problem Language Result Execution time Memory
531655 2022-03-01T08:07:44 Z i_am_noob Restore Array (RMI19_restore) C++17
20 / 100
 600 ms 1044 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast,unroll-loops")

#define ll long long
//#define int ll
#define ull unsigned ll
#define ld long double
#define rep(a) rep1(i,a)
#define rep1(i,a) rep2(i,0,a)
#define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
#define rep3(i,b,a) for(int i=(b); i>=((int)(a)); i--)
#define chkmin(a,b) (a=min(a,b))
#define chkmax(a,b) (a=max(a,b))
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define pb push_back
#define inf 1010000000
//#define inf 4000000000000000000
#define eps 1e-9
#define sz(a) ((int)a.size())
#define pow2(x) (1ll<<(x))
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define print0(a) cout << (a) << ' '
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 777771449
#endif

const int mod=1000000007;
const int maxn=5005,maxm=5,maxk=7777714;

//i_am_noob
int n,m,dis[maxn],par[maxn];
vector<vector<pii>> adj(maxn);
queue<int> q;
bool vis[maxn],vis2[maxn];

bool check(){
    memset(vis2,0,sizeof vis2);
    rep(n+2) if(!vis2[i]){
        int u=i;
        vis2[u]=1;
        bool flag=0;
        rep1(_,n+2){
            u=par[u];
            if(u==-1){
                flag=1;
                break;
            }
            vis2[u]=1;
        }
        if(!flag) return false;
    }
    return true;
}

void orzck(){
    cin >> n >> m;
    rep(n) adj[i].pb({i+1,1}),adj[i+1].pb({i,0});
    rep(n+1) adj[n+1].pb({i,0});
    rep(n+2) dis[i]=inf;
    rep(m){
        int l,r,k,x;
        cin >> l >> r >> k >> x;
        if(x==0){
            adj[l].pb({r+1,r+1-l-k});
            bug(l,r+1,r+1-l-k);
        }
        else{
            adj[r+1].pb({l,-(r-l+2-k)});
            bug(r+1,l,-(r-l+2-k));
        }
    }
    q.push(n+1);
    dis[n+1]=0;
    vis[n+1]=1;
    rep(n+2) par[i]=-1;
    int de=0;
    while(!q.empty()){
        int u=q.front();
        q.pop();
        vis[u]=0;
        for(auto [v,w]: adj[u]){
            if(dis[u]+w<dis[v]){
                dis[v]=dis[u]+w;
                par[v]=u;
                de++;
                if(de==n+2){
                    de=0;
                    if(!check()){
                        cout << "-1\n";
                        return;
                    }
                }
                if(vis[v]) continue;
                q.push(v);
                vis[v]=1;
            }
        }
        rep(n+2) bug(i,dis[i]);
    }
    if(!check()){
        cout << "-1\n";
        return;
    }
    rep(n) cout << dis[i+1]-dis[i] << ' ';
    cout << "\n";
}

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    orzck();
    return 0;
}

Compilation message

restore.cpp: In function 'void orzck()':
restore.cpp:31:18: warning: statement has no effect [-Wunused-value]
   31 | #define bug(...) 777771449
      |                  ^~~~~~~~~
restore.cpp:72:13: note: in expansion of macro 'bug'
   72 |             bug(l,r+1,r+1-l-k);
      |             ^~~
restore.cpp:31:18: warning: statement has no effect [-Wunused-value]
   31 | #define bug(...) 777771449
      |                  ^~~~~~~~~
restore.cpp:76:13: note: in expansion of macro 'bug'
   76 |             bug(r+1,l,-(r-l+2-k));
      |             ^~~
restore.cpp:31:18: warning: statement has no effect [-Wunused-value]
   31 | #define bug(...) 777771449
      |                  ^~~~~~~~~
restore.cpp:105:18: note: in expansion of macro 'bug'
  105 |         rep(n+2) bug(i,dis[i]);
      |                  ^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 432 KB Output is correct
4 Correct 1 ms 436 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 964 KB Output is correct
2 Correct 5 ms 972 KB Output is correct
3 Correct 5 ms 960 KB Output is correct
4 Correct 26 ms 996 KB Output is correct
5 Correct 5 ms 972 KB Output is correct
6 Correct 5 ms 972 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 964 KB Output is correct
2 Correct 5 ms 972 KB Output is correct
3 Correct 5 ms 960 KB Output is correct
4 Correct 26 ms 996 KB Output is correct
5 Correct 5 ms 972 KB Output is correct
6 Correct 5 ms 972 KB Output is correct
7 Correct 21 ms 1020 KB Output is correct
8 Correct 23 ms 1044 KB Output is correct
9 Correct 23 ms 1024 KB Output is correct
10 Correct 103 ms 996 KB Output is correct
11 Correct 5 ms 964 KB Output is correct
12 Correct 6 ms 972 KB Output is correct
13 Correct 24 ms 900 KB Output is correct
14 Correct 238 ms 1024 KB Output is correct
15 Execution timed out 1079 ms 972 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 432 KB Output is correct
4 Correct 1 ms 436 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 5 ms 964 KB Output is correct
12 Correct 5 ms 972 KB Output is correct
13 Correct 5 ms 960 KB Output is correct
14 Correct 26 ms 996 KB Output is correct
15 Correct 5 ms 972 KB Output is correct
16 Correct 5 ms 972 KB Output is correct
17 Correct 21 ms 1020 KB Output is correct
18 Correct 23 ms 1044 KB Output is correct
19 Correct 23 ms 1024 KB Output is correct
20 Correct 103 ms 996 KB Output is correct
21 Correct 5 ms 964 KB Output is correct
22 Correct 6 ms 972 KB Output is correct
23 Correct 24 ms 900 KB Output is correct
24 Correct 238 ms 1024 KB Output is correct
25 Execution timed out 1079 ms 972 KB Time limit exceeded
26 Halted 0 ms 0 KB -