oj.uz

Submission #1072895

# Submission time Handle Problem Language Result Execution time Memory
1072895 2024-08-24T06:37:20 Z SiliconSquared Minerals (JOI19_minerals) C++14
75 / 100
 21 ms 3320 KB 
#include "minerals.h"

using namespace std;
#include <vector>
#include <iostream>

int query(int x){
    return Query(x+1);
}

int n;
struct mineral{
    int a,b;
    bool f;
    mineral(){a=0;b=n;f=true;}
};
vector<mineral> v;
vector<int> l;
vector<int> r;

void Solve(int N) {
    int a,b,c,q,x,y,z;
    n=N;
    v.resize(n,mineral());
    b=0;
    for (int i=0;i<2*n;i++){
        a=query(i);
        if (a>b){
            l.push_back(i);
            b=a;
        }else{
            r.push_back(i);
        }
    }
    for (int i=n/2;i<n;i++){c=query(l[i]);v[i].f=false;}
    vector<pair<int,int>> w;
    vector<pair<int,int>> w2;
    w.push_back({0,N});
    while (!w.empty()){
    //     cout<<'\n';
    // for (int i=0;i<n;i++){cout<<l[i]+1<<'\t';}cout<<'\n';
    // for (int i=0;i<n;i++){cout<<v[i].f<<'\t';}cout<<'\n';
        for (int i=0;i<n;i++){
            if (v[i].a+1==v[i].b){continue;}
            q=query(r[i]);
            if (c!=q){
                v[i].a=(v[i].a+v[i].b)/2;
                c=q;
            }else{
                v[i].b=(v[i].a+v[i].b)/2;
            }//cerr<<r[i]+1<<':'<<v[i].a<<','<<v[i].b<<';';
        }
        q=w.size();
        for (int i=0;i<q;i++){
            a=w[w.size()-1].first;
            b=w[w.size()-1].second;
            w.pop_back();
            if (a+1==b || a==b){continue;}
            y=(a+b)/2;
            x=(a+y)/2;
            z=(y+b)/2;
            for (int j=x;j<y;j++){
                c=query(l[j]);
                v[j].f=!v[j].f;
            }
            for (int j=y;j<z;j++){
                c=query(l[j]);
                v[j].f=!v[j].f;
            }
            w2.push_back({a,y});
            w2.push_back({y,b});
        }
        w=w2;
        w2.clear();
    }
    for (int i=0;i<n;i++){
        Answer(r[i]+1,l[v[i].a]+1);
    }
}

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:46:13: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |             if (c!=q){
      |             ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 2 ms 600 KB Output is correct
4 Correct 3 ms 1056 KB Output is correct
5 Correct 6 ms 1368 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 16 ms 3076 KB Output is correct
16 Correct 21 ms 3320 KB Output is correct
17 Correct 13 ms 3104 KB Output is correct
18 Correct 14 ms 2948 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 16 ms 3076 KB Output is correct
16 Correct 21 ms 3320 KB Output is correct
17 Correct 13 ms 3104 KB Output is correct
18 Correct 14 ms 2948 KB Output is correct
19 Correct 16 ms 3076 KB Output is correct
20 Correct 20 ms 3212 KB Output is correct
21 Correct 11 ms 3200 KB Output is correct
22 Correct 11 ms 3076 KB Output is correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 16 ms 3076 KB Output is correct
16 Correct 21 ms 3320 KB Output is correct
17 Correct 13 ms 3104 KB Output is correct
18 Correct 14 ms 2948 KB Output is correct
19 Correct 16 ms 3076 KB Output is correct
20 Correct 20 ms 3212 KB Output is correct
21 Correct 11 ms 3200 KB Output is correct
22 Correct 11 ms 3076 KB Output is correct
23 Incorrect 16 ms 2640 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 16 ms 3076 KB Output is correct
16 Correct 21 ms 3320 KB Output is correct
17 Correct 13 ms 3104 KB Output is correct
18 Correct 14 ms 2948 KB Output is correct
19 Correct 16 ms 3076 KB Output is correct
20 Correct 20 ms 3212 KB Output is correct
21 Correct 11 ms 3200 KB Output is correct
22 Correct 11 ms 3076 KB Output is correct
23 Incorrect 16 ms 2640 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 16 ms 3076 KB Output is correct
16 Correct 21 ms 3320 KB Output is correct
17 Correct 13 ms 3104 KB Output is correct
18 Correct 14 ms 2948 KB Output is correct
19 Correct 16 ms 3076 KB Output is correct
20 Correct 20 ms 3212 KB Output is correct
21 Correct 11 ms 3200 KB Output is correct
22 Correct 11 ms 3076 KB Output is correct
23 Incorrect 16 ms 2640 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 1056 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 6 ms 1624 KB Output is correct
13 Correct 5 ms 1456 KB Output is correct
14 Correct 4 ms 1368 KB Output is correct
15 Correct 16 ms 3076 KB Output is correct
16 Correct 21 ms 3320 KB Output is correct
17 Correct 13 ms 3104 KB Output is correct
18 Correct 14 ms 2948 KB Output is correct
19 Correct 16 ms 3076 KB Output is correct
20 Correct 20 ms 3212 KB Output is correct
21 Correct 11 ms 3200 KB Output is correct
22 Correct 11 ms 3076 KB Output is correct
23 Incorrect 16 ms 2640 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -