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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#131867 | #5134. Jagged Skyline | Yarema# | WA | 1ms | 3500kb | C++17 | 1013b | 2023-07-28 17:13:03 | 2023-07-28 17:13:06 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define FOR(i, a, b) for (int i = (a); i<(b); ++i)
#define RFOR(i, b, a) for (int i = (b)-1; i>=(a); --i)
#define MP make_pair
#define PB push_back
#define F first
#define S second
#define FILL(a, b) memset(a, b, sizeof(a))
typedef long long LL;
typedef pair<int, int> PII;
typedef vector<int> VI;
const int INF = 1e9;
int main()
{
//ios::sync_with_stdio(false);
//cin.tie(0);
LL w, h;
cin >> w >> h;
int b = -1;
LL bst = 0;
string s;
FOR (i, 0, w)
{
cout << "? " << i + 1 << ' ' << bst + 1 << endl;
cin >> s;
if (s == "sky") continue;
LL l = bst + 1, r = h + 1;
while (l + 1 < r)
{
LL m = (l + r) / 2;
cout << "? " << i + 1 << ' ' << m << endl;
cin >> s;
if (s == "sky")
r = m;
else
l = m;
}
bst = l;
b = i + 1;
if (bst == h) break;
}
cout << "! " << b << ' ' << bst << endl;
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3500kb
input:
1 1 sky
output:
? 1 1 ! -1 0
result:
wrong answer Integer parameter [name=xans] equals to -1, violates the range [1, 1]