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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 |
---|---|---|---|---|---|---|---|---|---|
#326564 | #1411. Communication Jamming | socpite | 0 | 2ms | 7960kb | C++20 | 2.4kb | 2024-02-13 14:07:06 | 2024-02-13 14:07:07 |
answer
// #include "assistant.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+5;
const int INF = 1e9+5;
map<int, vector<pair<int, int>>> g1, g2;
int n, m1, m2, q;
int X1[maxn], Y1[maxn];
int X2[maxn], Y2[maxn];
bool cmp1(pair<int, int> a, pair<int, int> b){
return min(X1[a.first], X1[a.second]) < min(X1[b.first], X1[b.second]);
}
bool cmp2(pair<int, int> a, pair<int, int> b){
return min(X2[a.first], X2[a.second]) < min(X2[b.first], X2[b.second]);
}
int up[maxn];
pair<int, int> rg[maxn];
multiset<int> ms;
int t[maxn];
int Find(int x){
if(!up[x])return x;
else return up[x] = Find(up[x]);
}
void Union(int a, int b, int md, int y){
a = Find(a);
b = Find(b);
if(b > n){
up[b] = a;
return;
}
if(rg[a].first > rg[b].first)swap(a, b);
if(md == 1)t[rg[a].second] = y;
else {
if(ms.find(t[rg[a].second]) == ms.end())cout << "SUS" << endl;
else ms.erase(ms.find(t[rg[a].second]));
}
up[b] = a;
rg[a].second = rg[b].second;
}
vector<pair<int, int>> ans;
int main(){
cin >> n >> m1 >> m2 >> q;
for(int i = 1; i <= n; i++){
X1[i] = X2[i] = i;
}
for(int i = 1; i <= m1; i++){
cin >> X1[i + n] >> Y1[i + n];
}
for(int i = 0; i < n + m1 - 1; i++){
int ty, a, b;
cin >> ty >> a >> b;
if(ty == 1)g1[max(Y1[a], Y1[b+n])].push_back({a, b+n});
else g1[max(Y1[a+n], Y1[b+n])].push_back({a+n, b+n});
}
g1[0].push_back({0, 0});
g1[0].clear();
for(int i = 1; i <= m2; i++){
cin >> X2[i + n] >> Y2[i + n];
Y2[i+n] *= -1;
}
for(int i = 0; i < n + m2 - 1; i++){
int ty, a, b;
cin >> ty >> a >> b;
if(ty == 1)g2[max(Y2[a], Y2[b+n])].push_back({a, b+n});
else g2[max(Y2[a+n], Y2[b+n])].push_back({a+n, b+n});
}
// cout << "SUS" << endl;
memset(up, 0, sizeof(up));
for(int i = 1; i <= n; i++)rg[i] = {i, i};
for(auto ele: g2){
auto vec = ele.second;
sort(vec.begin(), vec.end(), cmp2);
for(auto v: vec)Union(v.first, v.second, 1, ele.first);
}
for(int i = 1; i <= n; i++)ms.insert(t[i]);
memset(up, 0, sizeof(up));
for(int i = 1; i <= n; i++)rg[i] = {i, i};
for(auto ele: g1){
auto vec = ele.second;
sort(vec.begin(), vec.end(), cmp1);
for(auto v: vec)Union(v.first, v.second, 0, ele.first);
ans.push_back({ele.first, *ms.rbegin()});
// cout << *ms.rbegin() << endl;
}
while(q--){
int x;
cin >> x;
cout << -(*(lower_bound(ans.begin(), ans.end(), make_pair(x, INF))-1)).second << "\n";
}
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 7960kb
input:
100 99 99 100 40 71 79 29 1 20 88 54 70 38 77 30 31 12 79 81 84 34 17 65 68 57 40 2 14 22 56 3 15 17 11 75 36 77 52 7 30 91 82 13 19 64 44 14 63 41 38 18 99 84 22 49 68 39 64 63 99 93 8 48 66 10 6 83 45 35 94 37 58 87 89 15 71 4 75 60 59 42 74 62 56 59 82 73 90 24 76 95 36 21 91 67 33 31 13 79 20 50...
output:
SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS SUS -88 -88 -88 -88 -88 -93 -88 -88 -88 -88 -88 -93 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -93 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -93 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 -88 ...
result:
wrong answer 1st lines differ - expected: '-98', found: 'SUS'
Subtask #2:
score: 0
Skipped
Dependency #1:
0%