Submission #1180113


Source Code Expand

//in the name of allah
#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
bool ans[N];
bool ask(int v , int u){
        cout << "? " << v << " " << u << endl;        
        fflush(stdout);
        char ans;
        cin >> ans;
        return (ans == 'Y');
}

int main(){
        int n , m;
        cin >> n >> m;
        if(n<=m){
                cout << "Impossible\n";
                return 0;
        }
        stack<int> st;
        for(int i=0 ; i<n+m ; i++){                
                if(!st.size()){
                        st.push(i);
                        continue;
                }              
                if(ask(i , st.top())){
                        if(ask(st.top() , i))
                                st.push(i);
                        else
                                st.pop();
                }else
                        st.pop();
        }
        int v = st.top();
        for(int i=0 ; i<n+m ; i++)
                ans[i] = ask(v , i);
        cout << "! ";
        for(int i=0 ; i<n+m ; i++)
                cout << ans[i];
        cout << endl;
        fflush(stdout);
}

Submission Info

Submission Time
Task F - HonestOrUnkind
User AmSen
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1174 Byte
Status WA
Exec Time 289 ms
Memory 844 KB

Judge Result

Set Name All
Score / Max Score 0 / 1300
Status
AC × 49
WA × 77
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 AC 3 ms 720 KB
001.txt AC 3 ms 720 KB
002.txt AC 3 ms 716 KB
003.txt WA 3 ms 716 KB
004.txt WA 3 ms 720 KB
005.txt WA 3 ms 716 KB
006.txt WA 3 ms 720 KB
007.txt WA 3 ms 720 KB
008.txt AC 3 ms 720 KB
009.txt WA 3 ms 724 KB
010.txt WA 15 ms 720 KB
011.txt WA 286 ms 724 KB
012.txt WA 143 ms 596 KB
013.txt AC 3 ms 692 KB
014.txt AC 3 ms 720 KB
015.txt AC 3 ms 720 KB
016.txt AC 3 ms 720 KB
017.txt WA 3 ms 720 KB
018.txt AC 3 ms 720 KB
019.txt WA 3 ms 716 KB
020.txt AC 3 ms 716 KB
021.txt WA 3 ms 720 KB
022.txt AC 3 ms 724 KB
023.txt WA 14 ms 720 KB
024.txt WA 284 ms 720 KB
025.txt WA 138 ms 592 KB
026.txt AC 3 ms 720 KB
027.txt WA 3 ms 720 KB
028.txt AC 3 ms 720 KB
029.txt WA 3 ms 720 KB
030.txt AC 3 ms 720 KB
031.txt AC 3 ms 724 KB
032.txt WA 3 ms 720 KB
033.txt WA 3 ms 720 KB
034.txt AC 3 ms 720 KB
035.txt AC 3 ms 720 KB
036.txt WA 14 ms 720 KB
037.txt WA 283 ms 720 KB
038.txt WA 134 ms 592 KB
039.txt AC 3 ms 720 KB
040.txt WA 3 ms 720 KB
041.txt WA 3 ms 596 KB
042.txt WA 3 ms 720 KB
043.txt WA 3 ms 720 KB
044.txt WA 3 ms 720 KB
045.txt WA 3 ms 720 KB
046.txt WA 3 ms 716 KB
047.txt AC 3 ms 720 KB
048.txt WA 3 ms 720 KB
049.txt WA 15 ms 724 KB
050.txt WA 281 ms 720 KB
051.txt WA 141 ms 720 KB
052.txt AC 3 ms 720 KB
053.txt AC 3 ms 720 KB
054.txt WA 3 ms 720 KB
055.txt WA 3 ms 720 KB
056.txt WA 3 ms 716 KB
057.txt AC 3 ms 700 KB
058.txt WA 3 ms 720 KB
059.txt WA 3 ms 720 KB
060.txt WA 3 ms 720 KB
061.txt WA 3 ms 720 KB
062.txt WA 15 ms 724 KB
063.txt WA 262 ms 720 KB
064.txt WA 141 ms 724 KB
065.txt AC 3 ms 720 KB
066.txt WA 3 ms 720 KB
067.txt AC 3 ms 720 KB
068.txt WA 3 ms 720 KB
069.txt AC 3 ms 720 KB
070.txt WA 3 ms 720 KB
071.txt WA 3 ms 716 KB
072.txt AC 3 ms 720 KB
073.txt WA 3 ms 724 KB
074.txt WA 3 ms 720 KB
075.txt WA 16 ms 716 KB
076.txt WA 289 ms 716 KB
077.txt WA 140 ms 720 KB
078.txt WA 3 ms 716 KB
079.txt AC 3 ms 720 KB
080.txt AC 3 ms 720 KB
081.txt WA 3 ms 716 KB
082.txt WA 3 ms 720 KB
083.txt AC 3 ms 720 KB
084.txt WA 3 ms 720 KB
085.txt WA 3 ms 720 KB
086.txt AC 3 ms 720 KB
087.txt WA 3 ms 720 KB
088.txt WA 14 ms 716 KB
089.txt WA 283 ms 844 KB
090.txt WA 139 ms 720 KB
091.txt AC 3 ms 696 KB
092.txt WA 3 ms 720 KB
093.txt WA 3 ms 724 KB
094.txt WA 3 ms 720 KB
095.txt AC 3 ms 724 KB
096.txt AC 3 ms 720 KB
097.txt WA 3 ms 716 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 15 ms 720 KB
102.txt WA 279 ms 720 KB
103.txt WA 135 ms 720 KB
104.txt AC 3 ms 720 KB
105.txt AC 3 ms 720 KB
106.txt AC 3 ms 724 KB
107.txt WA 3 ms 720 KB
108.txt AC 3 ms 720 KB
109.txt AC 3 ms 720 KB
110.txt WA 3 ms 724 KB
111.txt WA 3 ms 716 KB
112.txt AC 3 ms 716 KB
113.txt AC 3 ms 720 KB
114.txt WA 15 ms 720 KB
115.txt WA 281 ms 716 KB
116.txt WA 145 ms 724 KB
117.txt AC 3 ms 716 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 724 KB
122.txt AC 3 ms 720 KB
123.txt AC 3 ms 596 KB
124.txt AC 3 ms 716 KB
125.txt AC 3 ms 720 KB