QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#110371 | #5663. Tangle: A DAG for storing transactions | ycccc319# | AC ✓ | 441ms | 3752kb | C++23 | 2.7kb | 2023-06-01 18:23:01 | 2023-06-01 18:23:04 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int n, TH;
//unordered_set<short> zu[10010];
//set<pair<short, short>> ans;
int ansnum;
int ans;
class node {
public:
int v, next;
} edge[10010 << 4];
int head[10010], cnt;
short indegree[10010], weight[10010];
void add(int u, int v) {
edge[++cnt].v = v;
edge[cnt].next = head[u];
head[u] = cnt;
}
//void init() {
// for (short i = 0; i <= n + 1; i++) {
// zu[i].insert(i);
// }
//}
//
//void topo() {
// queue<int> q;
// for (int i = 0; i <= n + 1; i++) {
// if (indegree[i] == 0)q.push(i);
// }
// while (!q.empty()) {
// int now = q.front();
// q.pop();
// for (int i = head[now]; i; i = edge[i].next) {
// int to = edge[i].v;
// zu[to].merge(unordered_set(zu[now]));
// if (--indegree[to] == 0)q.push(to);
// }
// if (now > 1) {
// for (auto i: zu[now]) {
// int tmp = 0;
//// cout<<i<<": ";
// for (auto to: zu[i]) {
// tmp += weight[to];
// }
// if (tmp >= TH) {
//// cout << i << " " << tmp << "\n";
// ans.insert({i, tmp});
// ansnum++;
// }
// }
// }
// zu[now].clear();
// }
//}
//void output() {
// int ans = 0;
// for (int i = 2; i <= n + 1; i++) {
// int tmp = 0;
//// cout<<i<<": ";
// for (auto to: zu[i]) {
// tmp += weight[to];
// }
// if (tmp >= TH) {
// cout << i << " " << tmp << "\n";
// ans++;
// }
// }
// cout << ans << "\n";
//}
bool vis[10010];
void dfs(int u) {
vis[u] = 1;
ans += weight[u];
for (int i = head[u]; i; i = edge[i].next) {
int to = edge[i].v;
if (!vis[to]) {
dfs(to);
}
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> TH;
// init();
for (int i = 1; i <= n; i++) {
int x, y, z, w;
cin >> x >> y >> z >> w;
weight[x] = w;
add(y, x);
add(z, x);
// indegree[y]++;
// indegree[z]++;
}
// topo();
// output();
for (int i = 2; i <= n + 1; i++) {
ans = 0;
memset(vis, 0, sizeof(bool) * (n + 2));
dfs(i);
if (ans >= TH) {
cout << i << " " << ans << "\n";
ansnum++;
}
}
// for (auto &to: ans) {
// cout << to.first << " " << to.second << "\n";
// }
cout << ansnum;
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 3500kb
input:
6 12 2 0 1 3 3 0 2 2 4 1 2 1 5 2 3 3 6 3 4 4 7 3 5 5
output:
2 18 3 14 2
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 2ms
memory: 3596kb
input:
21 20 2 0 1 2 3 1 0 5 4 1 0 2 5 2 1 1 6 1 3 1 7 5 4 1 8 3 7 5 9 2 4 1 10 4 9 1 11 9 4 5 12 4 8 2 13 3 12 2 14 2 10 5 15 11 12 4 16 3 9 2 17 1 16 4 18 0 7 3 19 11 5 2 20 14 4 5 21 19 5 2 22 18 9 4
output:
2 51 3 25 4 50 5 26 7 21 9 35 6
result:
ok 7 lines
Test #3:
score: 0
Accepted
time: 2ms
memory: 3620kb
input:
99 250 2 1 0 1 3 0 2 2 4 3 2 1 5 4 3 4 6 1 2 3 7 5 0 1 8 0 7 2 9 0 8 3 10 3 4 5 11 1 4 4 12 5 6 3 13 12 8 2 14 13 2 3 15 4 10 5 16 5 6 1 17 7 10 1 18 2 5 5 19 9 7 4 20 16 12 5 21 6 3 1 22 7 9 1 23 13 11 1 24 12 9 3 25 7 22 3 26 10 20 5 27 11 12 2 28 26 9 5 29 18 6 5 30 13 17 4 31 25 12 4 32 31 20 3 ...
output:
2 297 3 293 4 290 5 275 6 255 5
result:
ok 6 lines
Test #4:
score: 0
Accepted
time: 2ms
memory: 3448kb
input:
100 200 2 0 1 2 3 2 0 5 4 2 0 2 5 4 0 4 6 2 5 4 7 5 0 5 8 4 2 4 9 2 6 4 10 0 9 3 11 2 8 2 12 4 2 1 13 7 5 3 14 3 4 5 15 10 0 5 16 6 13 1 17 9 10 4 18 12 6 4 19 17 12 1 20 10 8 4 21 2 4 2 22 6 17 2 23 3 12 4 24 21 12 2 25 14 10 5 26 14 21 4 27 13 11 1 28 21 6 1 29 10 5 3 30 26 6 1 31 13 8 5 32 25 19 ...
output:
2 303 3 210 4 296 5 270 6 252 9 225 10 221 12 222 14 201 9
result:
ok 10 lines
Test #5:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
199 800 2 1 0 1 3 0 2 2 4 3 0 4 5 4 0 3 6 4 3 2 7 0 2 1 8 5 7 3 9 3 0 2 10 1 9 4 11 5 2 4 12 9 4 3 13 7 12 2 14 10 0 1 15 1 6 2 16 5 11 5 17 4 15 4 18 4 14 5 19 11 0 1 20 3 13 5 21 3 4 2 22 20 14 2 23 14 1 5 24 7 19 5 25 13 17 4 26 10 23 5 27 17 12 4 28 12 13 5 29 24 1 4 30 19 7 4 31 18 22 5 32 17 1...
output:
0
result:
ok single line: '0'
Test #6:
score: 0
Accepted
time: 156ms
memory: 3752kb
input:
5999 15000 2 0 1 2 3 2 1 1 4 3 1 4 5 1 2 5 6 4 1 1 7 2 6 3 8 4 1 5 9 7 8 2 10 0 4 4 11 3 2 1 12 8 1 1 13 10 3 2 14 1 0 3 15 13 1 3 16 0 4 5 17 6 8 2 18 1 6 1 19 5 2 2 20 4 6 5 21 8 0 2 22 9 20 4 23 17 7 4 24 17 0 1 25 23 3 4 26 12 15 1 27 15 5 3 28 17 25 2 29 17 24 3 30 28 9 2 31 22 6 2 32 12 9 3 33...
output:
2 18207 3 18198 4 18196 5 17811 6 18160 7 18147 8 18160 9 18108 10 18039 11 17672 12 17781 13 18035 14 15556 15 17938 16 18046 17 18138 18 17953 19 16110 20 18097 21 17976 22 18092 23 18113 24 18004 25 18001 26 17560 27 17707 28 17997 29 17998 30 16680 31 18085 32 17770 33 17680 34 17906 35 17902 36...
result:
ok 512 lines
Test #7:
score: 0
Accepted
time: 441ms
memory: 3624kb
input:
9999 25000 2 0 1 4 3 2 1 3 4 1 0 3 5 1 4 2 6 3 2 3 7 3 5 2 8 4 6 1 9 3 0 5 10 6 0 1 11 9 6 1 12 9 10 2 13 2 7 2 14 9 4 5 15 7 13 1 16 9 3 4 17 14 4 1 18 6 12 5 19 17 0 5 20 17 4 3 21 10 13 3 22 8 0 3 23 7 19 4 24 13 20 2 25 24 13 1 26 23 20 2 27 19 0 3 28 15 11 2 29 10 15 4 30 10 2 2 31 27 25 4 32 2...
output:
2 29905 3 29901 4 29880 5 29856 6 29841 7 29854 8 29755 9 29866 10 29821 11 29433 12 29770 13 29808 14 29843 15 29727 16 29665 17 29838 18 29768 19 29717 20 29809 21 29657 22 29750 23 29700 24 29759 25 29755 26 29664 27 29671 28 29432 29 29680 30 29371 31 29498 32 29015 33 29701 34 29629 35 29650 36...
result:
ok 817 lines
Test #8:
score: 0
Accepted
time: 109ms
memory: 3672kb
input:
5000 5000 2 0 1 4 3 2 1 4 4 2 1 3 5 0 3 3 6 1 2 5 7 6 4 4 8 1 6 4 9 7 2 3 10 4 5 2 11 1 5 2 12 0 10 5 13 4 8 1 14 1 13 4 15 6 12 2 16 1 6 2 17 12 5 4 18 10 12 2 19 11 13 2 20 6 3 2 21 3 16 2 22 21 12 1 23 9 22 5 24 6 0 5 25 10 16 1 26 10 25 1 27 18 16 5 28 22 23 3 29 22 18 3 30 10 2 2 31 23 2 4 32 1...
output:
2 14958 3 14921 4 14922 5 14898 6 14927 7 14738 8 14746 9 14734 10 14886 11 14557 12 14877 13 14742 14 14667 15 14475 16 14881 17 14597 18 14813 19 14478 20 14663 21 14861 22 14854 23 14731 24 14678 25 14713 26 14493 27 14734 28 14482 29 14776 30 14780 31 14537 32 11962 33 14476 34 14663 35 14481 36...
result:
ok 1778 lines
Test #9:
score: 0
Accepted
time: 109ms
memory: 3408kb
input:
5000 10000 2 1 0 3 3 2 0 2 4 2 1 3 5 4 3 3 6 5 3 4 7 2 6 5 8 3 6 5 9 7 6 2 10 1 9 1 11 4 3 4 12 2 3 4 13 0 2 3 14 1 11 1 15 5 13 5 16 10 11 2 17 11 8 5 18 14 1 1 19 15 18 1 20 14 3 4 21 19 14 5 22 14 19 4 23 21 19 3 24 8 11 5 25 13 19 5 26 22 19 2 27 17 21 1 28 10 5 1 29 20 12 4 30 10 0 4 31 12 0 1 ...
output:
2 15127 3 15118 4 15114 5 15089 6 15049 7 14918 8 15027 9 14900 10 14894 11 15076 12 14983 13 15037 14 15055 15 15031 16 13392 17 15009 18 15022 19 15021 20 14982 21 14903 22 14959 23 14812 24 14503 25 14768 26 14905 27 14805 28 14880 29 14963 30 14181 31 14837 32 14871 33 14903 34 14728 35 14799 36...
result:
ok 966 lines