oj.uz

Submission #863326

# Submission time Handle Problem Language Result Execution time Memory
863326 2023-10-20T03:19:22 Z imarn Meteors (POI11_met) C++14
100 / 100
 1358 ms 65536 KB 
#include<bits/stdc++.h>
#define pb push_back
#define f first
#define ll unsigned long long
#define s second
using namespace std;
const int N=3e5+5;
ll fw[N];
void add(int i,ll amt){
    for(;i<N;i+=i&-i)fw[i]+=amt;
}
ll qr(int i,ll res=0){
    for(;i;i-=i&-i)res+=fw[i];
    return res;
}
vector<int>g[N];
vector<int>now[N];
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    int n,m;cin>>n>>m;
    int a[n+1];
    int b[m+1];
    int c[n+1];
    for(int i=1;i<=m;i++)cin>>b[i],g[b[i]].pb(i);
    for(int i=1;i<=n;i++)cin>>c[i];
    int k;cin>>k;
    pair<int,pair<int,int>>q[k+2];q[0]=q[k+1]={0,{1,m}};
    for(int i=1;i<=k;i++)cin>>q[i].s.f>>q[i].s.s>>q[i].f;
    int l[n+1],r[n+1];
    for(int i=1;i<=n;i++)l[i]=0,r[i]=k+1;
    while(1){
        memset(fw,0,sizeof fw);
        int cnt=0;
        for(int i=1;i<=n;i++){
            if(l[i]==r[i])continue;
            cnt++;now[(l[i]+r[i])/2].pb(i);
        }if(cnt==0)break;
        for(int i=0;i<=k+1;i++){
            if(q[i].s.f<=q[i].s.s)add(q[i].s.f,q[i].f),add(q[i].s.s+1,-q[i].f);
            else add(q[i].s.f,q[i].f),add(1,q[i].f),add(q[i].s.s+1,-q[i].f);
            for(auto it : now[i]){
                ll sum=0;
                for(auto ij : g[it])sum+=qr(ij);
                if(sum>=c[it])r[it]=i;
                else l[it]=i+1;
            }now[i].clear();
        }now[k+1].clear();
    }for(int i=1;i<=n;i++){
        if(r[i]>k)cout<<"NIE\n";
        else cout<<r[i]<<"\n";
    }
}

Compilation message

met.cpp: In function 'int main()':
met.cpp:44:23: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
   44 |                 if(sum>=c[it])r[it]=i;
      |                    ~~~^~~~~~~
met.cpp:21:9: warning: unused variable 'a' [-Wunused-variable]
   21 |     int a[n+1];
      |         ^

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 16732 KB Output is correct
2 Correct 5 ms 16732 KB Output is correct
3 Correct 5 ms 16732 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 16728 KB Output is correct
2 Correct 5 ms 16732 KB Output is correct
3 Correct 6 ms 16988 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 18388 KB Output is correct
2 Correct 98 ms 20304 KB Output is correct
3 Correct 85 ms 19856 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 19284 KB Output is correct
2 Correct 84 ms 19344 KB Output is correct
3 Correct 109 ms 20584 KB Output is correct
4 Correct 24 ms 18768 KB Output is correct

Subtask #5
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 18772 KB Output is correct
2 Correct 116 ms 20928 KB Output is correct
3 Correct 92 ms 17532 KB Output is correct
4 Correct 81 ms 20308 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 17984 KB Output is correct
2 Correct 97 ms 19480 KB Output is correct
3 Correct 59 ms 18260 KB Output is correct
4 Correct 97 ms 21568 KB Output is correct

Subtask #7
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 703 ms 34968 KB Output is correct
2 Correct 621 ms 22896 KB Output is correct
3 Correct 491 ms 20132 KB Output is correct
4 Correct 1184 ms 62592 KB Output is correct

Subtask #8
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 683 ms 33824 KB Output is correct
2 Correct 645 ms 22884 KB Output is correct
3 Correct 400 ms 19272 KB Output is correct
4 Correct 1358 ms 65536 KB Output is correct