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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#634059 | #7738. Equivalent Rewriting | CUHK_723 | WA | 2ms | 9868kb | C++14 | 1.8kb | 2024-10-12 16:38:57 | 2024-10-12 16:38:57 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
inline int read() {
int x = 0;
char ch = getchar();
while(ch < '0' || ch > '9') {
ch = getchar();
}
while(ch >= '0' && ch <= '9') {
x = (x << 1) + (x << 3) + (ch ^ 48);
ch = getchar();
}
return x;
}
int T, n, m;
int a[100010], in[100010], out[100010], ans[100010];
vector<int> f[100010], e[100010];
queue<int> q;
void solve() {
for(int i = 1; i <= n; ++i) {
if(f[i].size() <= 1) continue;
int x = f[i][f[i].size() - 1], y;
for(int j = 0; j < f[i].size() - 1; ++j) {
y = f[i][j];
e[y].push_back(x);
in[x] += 1;
out[y] += 1;
//cout << y << "F" << x << endl;
}
}
int cnt = 0, op = 0;
for(int i = m; i >= 2; --i) {
if(in[i] == 0 && out[i] == 0) {
ans[++cnt] = i;
continue;
}
if(in[i] == 0) q.push(i);
}
if(in[1] == 0 && out[1] == 0) op = 1;
else if(in[1] == 0) q.push(1);
while(!q.empty()) {
int x = q.front();
q.pop();
ans[++cnt] = x;
for(int i = 0; i < e[x].size(); ++i) {
int y = e[x][i];
in[y] -= 1;
if(in[y] == 0) q.push(y);
}
}
if(op == 1) ans[++cnt] = 1;
//for(int i = 1; i <= cnt; ++i) cout << ans[i] << " ";
//cout << endl;
if(cnt < m) {
printf("No\n");
return;
}
for(int i = 1; i <= m; ++i) {
if(ans[i] != i) break;
if(i == m) {
printf("No\n");
return;
}
}
printf("Yes\n");
for(int i = 1; i < m; ++i) printf("%d ", ans[i]);
printf("%d", ans[cnt]);
}
int main() {
T = read();
while(T) {
T -= 1;
m = read();
n = read();
int num, x;
for(int i = 1; i <= n; ++i) {
a[i] = 0;
in[i] = 0;
out[i] = 0;
ans[i] = 0;
f[i].clear();
}
for(int i = 1; i <= m; ++i) {
num = read();
for(int j = 1; j <= num; ++j) {
x = read();
f[x].push_back(i);
a[x] = i;
}
}
solve();
}
}
Details
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Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 9868kb
input:
3 3 6 3 3 1 5 2 5 3 2 2 6 2 3 3 1 3 2 2 3 1 1 3 2 2 1
output:
Yes 3 1 2No No
result:
wrong output format Expected integer, but "2No" found (test case 1)