# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
557819 |
2022-05-06T05:16:00 Z |
Ai7081 |
Graph (BOI20_graph) |
C++17 |
|
3 ms |
2684 KB |
#include <bits/stdc++.h>
using namespace std;
#define st first
#define nd second
const int N = 1e5 + 5;
int n, m;
double ans[N];
pair<int, int> val[N], x;
bool mark[N], markx, fail;
vector<pair<int, int>> adj[N];
vector<int> a, now;
void dfs(int v) {
if (fail) return;
mark[v] = true;
now.push_back(v);
for (auto [to, w] : adj[v]) {
if (mark[to]) {
if (val[v].nd != val[to].nd) {
if (val[v].st + val[to].st != w) {fail = true; return;}
}
else {
if (markx) {
if (x.nd*(val[v].st+val[to].st) + x.st*(val[v].nd+val[to].nd) != x.nd*w) {
fail = true; return;
}
}
else if (val[v].nd == val[to].nd) {
x = {w-(val[v].st+val[to].st), val[v].nd+val[to].nd};
markx = true;
}
}
}
else {
val[to] = {w-val[v].st, -val[v].nd};
dfs(to);
}
}
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
scanf(" %d %d", &n, &m);
// cin >> n >> m;
while (m--) {
int u, v, w;
scanf(" %d %d %d", &u, &v, &w);
// cin >> u >> v >> w;
adj[u].push_back({v, w});
adj[v].push_back({u, w});
}
for (int i=1; i<=n; i++) if (!mark[i]) {
markx = false;
now.clear();
val[i] = {0, 1};
dfs(i);
if (fail) {printf("NO"); return 0;}
if (!markx) {
for (auto i : now) a.push_back(-val[i].nd*val[i].st);
sort(a.begin(), a.end());
x = {a[a.size()/2], 1};
}
for (auto i : now) ans[i] = (double)(x.st*val[i].nd+x.nd*val[i].st) / (double)x.nd;
}
printf("YES\n");
for (int i=1; i<=n; i++) printf("%.9lf ", ans[i]);
// cout << "YES\n";
// for (int i=1; i<=n; i++) cout << ans[i] << ' ';
return 0;
}
Compilation message
Graph.cpp: In function 'int main()':
Graph.cpp:45:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | scanf(" %d %d", &n, &m);
| ~~~~~^~~~~~~~~~~~~~~~~~
Graph.cpp:49:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
49 | scanf(" %d %d %d", &u, &v, &w);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
2 ms |
2644 KB |
answer = NO |
5 |
Correct |
2 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
2 ms |
2680 KB |
answer = YES |
9 |
Correct |
2 ms |
2644 KB |
answer = NO |
10 |
Correct |
2 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
2 ms |
2644 KB |
answer = YES |
14 |
Correct |
2 ms |
2676 KB |
answer = YES |
15 |
Correct |
2 ms |
2644 KB |
answer = YES |
16 |
Correct |
2 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
2 ms |
2644 KB |
answer = YES |
20 |
Correct |
2 ms |
2644 KB |
answer = YES |
21 |
Correct |
2 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
2 ms |
2644 KB |
answer = NO |
5 |
Correct |
2 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
2 ms |
2680 KB |
answer = YES |
9 |
Correct |
2 ms |
2644 KB |
answer = NO |
10 |
Correct |
2 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
2 ms |
2644 KB |
answer = YES |
14 |
Correct |
2 ms |
2676 KB |
answer = YES |
15 |
Correct |
2 ms |
2644 KB |
answer = YES |
16 |
Correct |
2 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
2 ms |
2644 KB |
answer = YES |
20 |
Correct |
2 ms |
2644 KB |
answer = YES |
21 |
Correct |
2 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2644 KB |
answer = YES |
28 |
Correct |
2 ms |
2680 KB |
answer = YES |
29 |
Correct |
2 ms |
2684 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
3 ms |
2680 KB |
answer = YES |
32 |
Correct |
2 ms |
2644 KB |
answer = YES |
33 |
Correct |
2 ms |
2680 KB |
answer = YES |
34 |
Incorrect |
2 ms |
2644 KB |
participant answer is larger than the answer of jury |
35 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
2 ms |
2644 KB |
answer = NO |
5 |
Correct |
2 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
2 ms |
2680 KB |
answer = YES |
9 |
Correct |
2 ms |
2644 KB |
answer = NO |
10 |
Correct |
2 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
2 ms |
2644 KB |
answer = YES |
14 |
Correct |
2 ms |
2676 KB |
answer = YES |
15 |
Correct |
2 ms |
2644 KB |
answer = YES |
16 |
Correct |
2 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
2 ms |
2644 KB |
answer = YES |
20 |
Correct |
2 ms |
2644 KB |
answer = YES |
21 |
Correct |
2 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2644 KB |
answer = YES |
28 |
Correct |
2 ms |
2680 KB |
answer = YES |
29 |
Correct |
2 ms |
2684 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
3 ms |
2680 KB |
answer = YES |
32 |
Correct |
2 ms |
2644 KB |
answer = YES |
33 |
Correct |
2 ms |
2680 KB |
answer = YES |
34 |
Incorrect |
2 ms |
2644 KB |
participant answer is larger than the answer of jury |
35 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
2 ms |
2644 KB |
answer = NO |
5 |
Correct |
2 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
2 ms |
2680 KB |
answer = YES |
9 |
Correct |
2 ms |
2644 KB |
answer = NO |
10 |
Correct |
2 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
2 ms |
2644 KB |
answer = YES |
14 |
Correct |
2 ms |
2676 KB |
answer = YES |
15 |
Correct |
2 ms |
2644 KB |
answer = YES |
16 |
Correct |
2 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
2 ms |
2644 KB |
answer = YES |
20 |
Correct |
2 ms |
2644 KB |
answer = YES |
21 |
Correct |
2 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2644 KB |
answer = YES |
28 |
Correct |
2 ms |
2680 KB |
answer = YES |
29 |
Correct |
2 ms |
2684 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
3 ms |
2680 KB |
answer = YES |
32 |
Correct |
2 ms |
2644 KB |
answer = YES |
33 |
Correct |
2 ms |
2680 KB |
answer = YES |
34 |
Incorrect |
2 ms |
2644 KB |
participant answer is larger than the answer of jury |
35 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
answer = YES |
2 |
Correct |
2 ms |
2644 KB |
answer = YES |
3 |
Correct |
2 ms |
2644 KB |
answer = YES |
4 |
Correct |
2 ms |
2644 KB |
answer = NO |
5 |
Correct |
2 ms |
2644 KB |
answer = YES |
6 |
Correct |
2 ms |
2644 KB |
answer = YES |
7 |
Correct |
2 ms |
2644 KB |
answer = YES |
8 |
Correct |
2 ms |
2680 KB |
answer = YES |
9 |
Correct |
2 ms |
2644 KB |
answer = NO |
10 |
Correct |
2 ms |
2644 KB |
answer = YES |
11 |
Correct |
2 ms |
2644 KB |
answer = YES |
12 |
Correct |
2 ms |
2644 KB |
answer = NO |
13 |
Correct |
2 ms |
2644 KB |
answer = YES |
14 |
Correct |
2 ms |
2676 KB |
answer = YES |
15 |
Correct |
2 ms |
2644 KB |
answer = YES |
16 |
Correct |
2 ms |
2644 KB |
answer = YES |
17 |
Correct |
2 ms |
2644 KB |
answer = YES |
18 |
Correct |
2 ms |
2644 KB |
answer = YES |
19 |
Correct |
2 ms |
2644 KB |
answer = YES |
20 |
Correct |
2 ms |
2644 KB |
answer = YES |
21 |
Correct |
2 ms |
2644 KB |
answer = YES |
22 |
Correct |
2 ms |
2644 KB |
answer = NO |
23 |
Correct |
2 ms |
2644 KB |
answer = NO |
24 |
Correct |
2 ms |
2644 KB |
answer = YES |
25 |
Correct |
2 ms |
2644 KB |
answer = YES |
26 |
Correct |
2 ms |
2644 KB |
answer = YES |
27 |
Correct |
2 ms |
2644 KB |
answer = YES |
28 |
Correct |
2 ms |
2680 KB |
answer = YES |
29 |
Correct |
2 ms |
2684 KB |
answer = YES |
30 |
Correct |
2 ms |
2644 KB |
answer = NO |
31 |
Correct |
3 ms |
2680 KB |
answer = YES |
32 |
Correct |
2 ms |
2644 KB |
answer = YES |
33 |
Correct |
2 ms |
2680 KB |
answer = YES |
34 |
Incorrect |
2 ms |
2644 KB |
participant answer is larger than the answer of jury |
35 |
Halted |
0 ms |
0 KB |
- |