Submission #644045

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
644045	2022-09-23T15:46:20 Z	ttamx	Meteors (POI11_met)	C++14	74 / 100	922 ms	29704 KB

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef tuple<int,int,int> t3;

const int N=3e5+5;

struct fenwick{
    ll tree[N]={};
    void init(){
        for(int i=0;i<N;++i)tree[i]=0;
    }
    void add(int i,ll v){
        while(i<N){
            tree[i]+=v;
            i+=i&-i;
        }
    }
    ll read(int i){
        ll sum=0;
        while(i>0){
            sum+=tree[i];
            i-=i&-i;
        }
        return sum;
    }
}f;

int n,m,k;
int l[N],r[N],ans[N];
ll p[N];
vector<int> o[N];
vector<t3> v;

int main(){
	cin.tie(nullptr)->sync_with_stdio(false);
	cin >> n >> m;
	for(int i=1;i<=m;++i){
        int x;
        cin >> x;
        o[x].push_back(i);
	}
	for(int i=1;i<=n;++i)cin >> p[i];
    cin >> k;
    v.emplace_back(0,0,0);
    for(int i=1;i<=k;++i){
        int a,b,c;
        cin >> a >> b >> c;
        v.emplace_back(a,b,c);
    }
    for(int i=1;i<=n;++i)l[i]=1,r[i]=k+1;
    while(true){
        vector<int> res[k+2];
        int cnt=0;
        for(int i=1;i<=n;++i){
            if(l[i]>=r[i])continue;
            res[(l[i]+r[i])/2].emplace_back(i);
            ++cnt;
        }
        if(cnt==0)break;
        f.init();
        for(int i=1;i<=k;++i){
            auto [a,b,c]=v[i];
            f.add(a,c);
            f.add(b+1,-c);
            if(b<a){
                f.add(1,c);
                f.add(m+1,-c);
            }
            for(auto j:res[i]){
                ll sum=0;
                for(auto x:o[j])sum+=f.read(x);
                if(sum>=p[j])r[j]=i;
                else l[j]=i+1;
                if(l[j]>=r[j])ans[j]=r[j];
            }
        }
    }
    for(int i=1;i<=n;++i){
        if(ans[i]<=k)cout << ans[i] << '\n';
        else cout << "NIE" << '\n';
    }
	return 0;
}

Compilation message

met.cpp: In function 'int main()':
met.cpp:65:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   65 |             auto [a,b,c]=v[i];
      |                  ^

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	9728 KB	Output is correct
2	Correct	7 ms	9812 KB	Output is correct
3	Correct	7 ms	9804 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	9684 KB	Output is correct
2	Correct	7 ms	9684 KB	Output is correct
3	Correct	7 ms	9812 KB	Output is correct

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	88 ms	12032 KB	Output is correct
2	Correct	134 ms	12860 KB	Output is correct
3	Correct	107 ms	12596 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	120 ms	12300 KB	Output is correct
2	Correct	130 ms	13408 KB	Output is correct
3	Correct	138 ms	14172 KB	Output is correct
4	Correct	31 ms	11340 KB	Output is correct

Subtask #5
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	95 ms	12064 KB	Output is correct
2	Correct	140 ms	14348 KB	Output is correct
3	Correct	122 ms	12212 KB	Output is correct
4	Correct	99 ms	13936 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	131 ms	11948 KB	Output is correct
2	Correct	145 ms	12320 KB	Output is correct
3	Correct	85 ms	13008 KB	Output is correct
4	Correct	134 ms	14520 KB	Output is correct

Subtask #7
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	919 ms	27472 KB	Output is correct
2	Incorrect	558 ms	29704 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #8
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	922 ms	26832 KB	Output is correct
2	Incorrect	659 ms	28220 KB	Output isn't correct
3	Halted	0 ms	0 KB	-