oj.uz

Submission #629013

# Submission time Handle Problem Language Result Execution time Memory
629013 2022-08-13T23:36:31 Z welleyth Minerals (JOI19_minerals) C++17
40 / 100
 34 ms 2488 KB 
#include "minerals.h"
#include <vector>
#include <fstream>
#include <map>

void Solve(int N) {
    int col[2*N+1];
    for(int i = 0; i < 2*N+1; i++){
        col[i] = 0;
    }
    int c = 0;
    int in[N+1];
    for(int i = 0; i <= N; i++)
        in[i] = 0;
    int pos[N+1];
    bool is[2*N+1];
    bool was[2*N+1];
    for(int i = 0; i <= 2*N; i++) in[i] = was[i] = false;
    int sz = 0;
    int mx[2*N+1];
    for(int i = 0; i <= 2*N; i++) mx[i] = 0;
    int cnt[2*N+1];
    for(int i = 0; i <= 2*N; i++) cnt[i] = 0;
    for(int i = 1; i <= 2*N; i++){
        int cur = Query(i);
        if(cur != sz){
            sz = cur;
            pos[cur] = i;
            is[i] = 1;
            in[cur] = 1;
            col[i] = sz;
            was[i] = true;
        } else {
            sz = Query(i);
        }
        mx[i] = sz;
    }
    cnt[0] = N;
    bool answered[N+1];
    for(int i = 0; i <= N; i++)
        answered[i] = false;
    for(int bt = 0; (1 << bt) <= N; bt++){
        for(int i = 1; i <= N; i++){
            if(answered[i])
                continue;
            if(in[i] && (i >> bt & 1) == 0){
                sz = Query(pos[i]);
                in[i] = false;
            }
            if(!in[i] && (i >> bt & 1) == 1){
                sz = Query(pos[i]);
                in[i] = true;
            }
        }
        std::map<int,int> gp;
        for(int i = 1; i <= 2*N; i++){
            if(was[i])
                continue;
            if(mx[i] < (1 << bt)){
                gp[col[i]] = i;
                continue;
            }
            int nw = Query(i);
            if(nw == sz){
                cnt[col[i]]--;
                col[i] |= (1 << bt);
                cnt[col[i]]++;
            }
            gp[col[i]] = i;
            sz = Query(i);
        }
        for(int i = 1; i <= N; i++){
            if(cnt[i] == 1 && !answered[i]){
//                printf("pair %d %d\n",gp[i],pos[i]);
                Answer(gp[i],pos[i]);
                answered[i] = true;
                was[gp[i]] = true;
                if(in[i]){
                    sz = Query(pos[i]);
                }
            }
        }
    }
//    for(int i = 1; i <= 2*N; i++){
//        printf("col[%d] = %d\n",i,col[i]);
//    }
    std::vector<int> A[N+1];
    for(int i = 1; i <= 2*N; i++){
        A[col[i]].push_back(i);
    }
    for(int i = 1; i <= N; i++){
        if(!answered[i])
            Answer(A[i][0],A[i][1]);
    }
    return;
}
/**
4
1 5
2 6
3 4
7 8

**/

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:11:9: warning: unused variable 'c' [-Wunused-variable]
   11 |     int c = 0;
      |         ^
minerals.cpp:16:10: warning: variable 'is' set but not used [-Wunused-but-set-variable]
   16 |     bool is[2*N+1];
      |          ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 336 KB Output is correct
2 Correct 3 ms 592 KB Output is correct
3 Correct 7 ms 828 KB Output is correct
4 Correct 16 ms 1360 KB Output is correct
5 Correct 28 ms 2220 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct
15 Incorrect 34 ms 2488 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct
15 Incorrect 34 ms 2488 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct
15 Incorrect 34 ms 2488 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct
15 Incorrect 34 ms 2488 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct
15 Incorrect 34 ms 2488 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 7 ms 828 KB Output is correct
8 Correct 16 ms 1360 KB Output is correct
9 Correct 28 ms 2220 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 18 ms 1620 KB Output is correct
12 Correct 29 ms 2324 KB Output is correct
13 Correct 17 ms 2256 KB Output is correct
14 Correct 20 ms 2244 KB Output is correct
15 Incorrect 34 ms 2488 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -