Submission #1586937


Source Code Expand

# include <bits/stdc++.h>

using namespace std;

int A, B, i, solution[5000];
char answer;

stack <int> st;

int main ()
{
    scanf("%d %d", &A, &B);

    if (A <= B)
    {
        printf("Impossible");
        return 0;
    }

    st.push(0);

    for (i = 1; i < A + B; ++i)
    {
        if (st.size()) printf("? %d %d\n", st.top(), i);
            else printf("? %d %d\n", i, i + 1), ++i;

        fflush(stdout);

        scanf("\n%c", &answer);

        if (answer == 'N') st.pop();
        else st.push(i);
    }

    int always_right = st.top(), N = 0;

    solution[++N] = '!';

    for (i = 0; i < A + B; ++i) {
      if (always_right == i) {
            solution[++N] = '1';
            continue;
      }

      printf("? %d %d\n", always_right, i);

      fflush(stdout);

      scanf("%c", &answer);

      if (answer == 'Y') solution[++N] = '1';
        else solution[++N] = '0';
    }

    for (i = 1; i <= N; ++i)
        printf("%d ", solution[i]);

    return 0;
}

Submission Info

Submission Time
Task F - HonestOrUnkind
User vladbucur
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1043 Byte
Status WA
Exec Time 216 ms
Memory 724 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &A, &B);
                           ^
./Main.cpp:29:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n%c", &answer);
                               ^
./Main.cpp:49:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
       scanf("%c", &answer);
                           ^

Judge Result

Set Name All
Score / Max Score 0 / 1300
Status
AC × 9
WA × 117
Set Name Test Cases
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, 046.txt, 047.txt, 048.txt, 049.txt, 050.txt, 051.txt, 052.txt, 053.txt, 054.txt, 055.txt, 056.txt, 057.txt, 058.txt, 059.txt, 060.txt, 061.txt, 062.txt, 063.txt, 064.txt, 065.txt, 066.txt, 067.txt, 068.txt, 069.txt, 070.txt, 071.txt, 072.txt, 073.txt, 074.txt, 075.txt, 076.txt, 077.txt, 078.txt, 079.txt, 080.txt, 081.txt, 082.txt, 083.txt, 084.txt, 085.txt, 086.txt, 087.txt, 088.txt, 089.txt, 090.txt, 091.txt, 092.txt, 093.txt, 094.txt, 095.txt, 096.txt, 097.txt, 098.txt, 099.txt, 100.txt, 101.txt, 102.txt, 103.txt, 104.txt, 105.txt, 106.txt, 107.txt, 108.txt, 109.txt, 110.txt, 111.txt, 112.txt, 113.txt, 114.txt, 115.txt, 116.txt, 117.txt, 118.txt, 119.txt, 120.txt, 121.txt, 122.txt, 123.txt, 124.txt, 125.txt
Case Name Status Exec Time Memory
000.txt WA 3 ms 720 KB
001.txt WA 3 ms 716 KB
002.txt WA 3 ms 720 KB
003.txt WA 3 ms 716 KB
004.txt WA 3 ms 724 KB
005.txt WA 99 ms 724 KB
006.txt WA 3 ms 720 KB
007.txt WA 3 ms 720 KB
008.txt WA 3 ms 716 KB
009.txt WA 97 ms 720 KB
010.txt WA 9 ms 592 KB
011.txt WA 150 ms 720 KB
012.txt WA 75 ms 720 KB
013.txt WA 97 ms 720 KB
014.txt WA 3 ms 720 KB
015.txt WA 99 ms 716 KB
016.txt WA 3 ms 724 KB
017.txt WA 3 ms 720 KB
018.txt WA 96 ms 720 KB
019.txt WA 3 ms 720 KB
020.txt WA 97 ms 720 KB
021.txt WA 97 ms 720 KB
022.txt WA 99 ms 720 KB
023.txt WA 97 ms 596 KB
024.txt WA 108 ms 716 KB
025.txt WA 76 ms 720 KB
026.txt WA 98 ms 720 KB
027.txt WA 3 ms 720 KB
028.txt WA 98 ms 720 KB
029.txt WA 3 ms 596 KB
030.txt WA 3 ms 596 KB
031.txt WA 97 ms 720 KB
032.txt WA 3 ms 720 KB
033.txt WA 3 ms 720 KB
034.txt WA 97 ms 588 KB
035.txt WA 97 ms 720 KB
036.txt WA 99 ms 724 KB
037.txt WA 117 ms 720 KB
038.txt WA 71 ms 592 KB
039.txt WA 98 ms 724 KB
040.txt WA 3 ms 720 KB
041.txt WA 3 ms 720 KB
042.txt WA 3 ms 716 KB
043.txt WA 3 ms 720 KB
044.txt WA 97 ms 720 KB
045.txt WA 3 ms 724 KB
046.txt WA 3 ms 720 KB
047.txt WA 3 ms 720 KB
048.txt WA 98 ms 720 KB
049.txt WA 97 ms 720 KB
050.txt WA 106 ms 720 KB
051.txt WA 77 ms 720 KB
052.txt WA 98 ms 720 KB
053.txt WA 3 ms 724 KB
054.txt WA 3 ms 596 KB
055.txt WA 3 ms 720 KB
056.txt WA 3 ms 716 KB
057.txt WA 3 ms 716 KB
058.txt WA 3 ms 720 KB
059.txt WA 3 ms 716 KB
060.txt WA 3 ms 720 KB
061.txt WA 3 ms 716 KB
062.txt WA 97 ms 720 KB
063.txt WA 107 ms 720 KB
064.txt WA 73 ms 724 KB
065.txt WA 3 ms 720 KB
066.txt WA 3 ms 716 KB
067.txt WA 96 ms 592 KB
068.txt WA 3 ms 724 KB
069.txt WA 3 ms 720 KB
070.txt WA 97 ms 720 KB
071.txt WA 3 ms 720 KB
072.txt WA 3 ms 720 KB
073.txt WA 3 ms 716 KB
074.txt WA 99 ms 716 KB
075.txt WA 98 ms 716 KB
076.txt WA 106 ms 720 KB
077.txt WA 74 ms 720 KB
078.txt WA 3 ms 720 KB
079.txt WA 3 ms 720 KB
080.txt WA 103 ms 720 KB
081.txt WA 3 ms 720 KB
082.txt WA 99 ms 724 KB
083.txt WA 3 ms 720 KB
084.txt WA 3 ms 716 KB
085.txt WA 3 ms 724 KB
086.txt WA 3 ms 720 KB
087.txt WA 3 ms 592 KB
088.txt WA 97 ms 592 KB
089.txt WA 126 ms 720 KB
090.txt WA 75 ms 720 KB
091.txt WA 3 ms 720 KB
092.txt WA 3 ms 716 KB
093.txt WA 3 ms 716 KB
094.txt WA 3 ms 724 KB
095.txt WA 98 ms 720 KB
096.txt WA 97 ms 588 KB
097.txt WA 3 ms 724 KB
098.txt WA 3 ms 720 KB
099.txt WA 3 ms 720 KB
100.txt WA 3 ms 724 KB
101.txt WA 101 ms 712 KB
102.txt WA 107 ms 596 KB
103.txt WA 69 ms 720 KB
104.txt WA 3 ms 720 KB
105.txt WA 3 ms 724 KB
106.txt WA 98 ms 724 KB
107.txt WA 3 ms 596 KB
108.txt WA 3 ms 720 KB
109.txt WA 3 ms 592 KB
110.txt WA 3 ms 720 KB
111.txt WA 3 ms 716 KB
112.txt WA 3 ms 720 KB
113.txt WA 96 ms 592 KB
114.txt WA 99 ms 724 KB
115.txt WA 216 ms 720 KB
116.txt WA 75 ms 720 KB
117.txt AC 3 ms 720 KB
118.txt AC 3 ms 720 KB
119.txt AC 3 ms 720 KB
120.txt AC 3 ms 724 KB
121.txt AC 3 ms 592 KB
122.txt AC 3 ms 716 KB
123.txt AC 3 ms 720 KB
124.txt AC 3 ms 720 KB
125.txt AC 3 ms 720 KB