oj.uz

Submission #900285

# Submission time Handle Problem Language Result Execution time Memory
900285 2024-01-08T04:01:13 Z boyliguanhan Parrots (IOI11_parrots) C++17
98 / 100
 6 ms 1568 KB 
#include "encoder.h"
#include "encoderlib.h"
void encode(int N, int M[]) {
    int sum=0;
    for(int i = 0; i < N; i++)
        for(int j = 0; j < 4; j++)
            sum+=(M[i]>>j*2)&3;
    if(sum>6*N)
        send(0),send(0),send(0),send(0);
    for(int i = 0; i < N; i++)
        for(int j = 0; j < 4; j++)
            for(int k = 0; k < (((sum>6*N?255-M[i]:M[i])>>j*2)&3); k++)
                send(i*4+j);
}
#include "decoder.h"
#include "decoderlib.h"
void decode(int N, int L, int X[]) {
    int res[N]{},cnt[256]{}, inv=0;
    for(int i = 0; i < L; i++) {
        cnt[X[i]]++,res[X[i]/4] += 1 << (X[i]&3)*2;
        if(cnt[X[i]]==4)
            res[0]-=4,inv=1;
    }
    for(auto i: res)
        output(inv?255-i:i);
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 780 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1056 KB Output is correct
2 Correct 1 ms 1312 KB Output is correct
3 Correct 1 ms 1320 KB Output is correct
4 Correct 1 ms 1312 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1304 KB Output is correct
2 Correct 1 ms 1316 KB Output is correct
3 Correct 1 ms 1312 KB Output is correct
4 Correct 1 ms 1312 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1304 KB Output is correct
2 Correct 1 ms 1320 KB Output is correct
3 Correct 1 ms 1568 KB Output is correct
4 Correct 4 ms 1336 KB Output is correct
5 Correct 3 ms 1332 KB Output is correct
6 Correct 3 ms 1336 KB Output is correct

Subtask #5
17.0 / 19.0

# Verdict Execution time Memory Grader output
1 Partially correct 3 ms 1464 KB Output is partially correct - P = 6.187500
2 Partially correct 3 ms 1328 KB Output is partially correct - P = 6.093750
3 Partially correct 3 ms 1328 KB Output is partially correct - P = 6.090909
4 Partially correct 4 ms 1348 KB Output is partially correct - P = 6.020000
5 Partially correct 5 ms 1368 KB Output is partially correct - P = 6.033333
6 Partially correct 6 ms 1372 KB Output is partially correct - P = 6.047619
7 Partially correct 5 ms 1368 KB Output is partially correct - P = 6.031250