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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#322333 | #6765. Don't Really Like How The Story Ends | mshcherba# | WA | 54ms | 3688kb | C++20 | 1.1kb | 2024-02-06 21:08:55 | 2024-02-06 21:08:55 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
const int N = 1 << 17;
int n, m;
VI g[N];
int ans;
int ptr;
void dfs(int v, int p)
{
assert(v == ptr - 1);
for (int to : g[v])
{
while (ptr < to)
{
ptr++;
ans++;
dfs(ptr - 1, v);
}
if (ptr == to)
{
ptr++;
dfs(to, v);
}
}
while (v == 0 && ptr < n)
{
ptr++;
ans++;
dfs(ptr - 1, v);
}
}
void solve()
{
cin >> n >> m;
FOR(i, 0, m)
{
int u, v;
cin >> u >> v;
u--;
v--;
g[u].PB(v);
g[v].PB(u);
}
ans = 0;
ptr = 1;
dfs(0, -1);
cout << ans << "\n";
FOR(i, 0, n)
g[i].clear();
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
while (t--)
solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3688kb
input:
3 2 3 1 1 1 2 2 1 4 1 1 4 4 2 1 2 3 4
output:
0 2 1
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 54ms
memory: 3680kb
input:
117747 3 7 2 1 3 3 1 3 1 1 3 2 1 1 3 1 4 8 2 3 4 3 3 2 4 2 1 3 2 1 4 3 2 4 3 4 2 3 2 2 3 3 1 1 2 5 1 1 2 2 2 2 1 2 2 2 3 7 2 1 1 2 3 3 3 2 1 2 3 3 3 2 4 5 1 2 3 3 4 4 1 4 2 1 3 1 3 2 1 3 1 1 1 1 1 1 1 6 1 1 1 1 1 1 1 1 1 1 1 1 5 4 2 1 2 5 1 3 3 2 4 7 1 1 2 4 3 2 1 1 1 1 4 2 2 3 5 8 3 3 2 2 4 2 1 4 1...
output:
0 1 1 0 0 1 1 0 0 2 2 2 0 0 2 0 2 0 1 0 1 3 0 0 0 3 1 1 1 0 0 0 3 1 2 1 3 0 3 2 3 1 2 2 0 0 1 2 0 2 0 1 3 0 0 2 0 0 1 1 0 3 0 1 0 1 1 0 0 3 2 0 0 0 1 0 3 3 0 2 1 1 1 1 0 3 1 3 0 1 2 0 1 0 3 0 0 3 1 0 2 1 0 0 1 0 1 0 0 0 0 4 0 0 0 0 1 0 3 0 1 0 0 1 1 0 0 2 0 2 0 2 0 2 2 1 2 1 0 1 0 1 0 1 1 2 1 1 0 1 ...
result:
wrong answer 2nd lines differ - expected: '0', found: '1'