Task: | Tietoverkko |
Sender: | okkokko |
Submission time: | 2021-10-14 18:51:25 +0300 |
Language: | C++ (C++11) |
Status: | READY |
Result: | 10 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 10 |
#2 | WRONG ANSWER | 0 |
#3 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
#2 | WRONG ANSWER | 0.02 s | 2, 3 | details |
#3 | WRONG ANSWER | 0.53 s | 3 | details |
Code
#include <iostream> #include <map> #include <bits/stdc++.h> using namespace std; using std::map; map<int,int> *koneet; long total = 0; int tries = 0; map<int,int> Crossroads(int kone,int source,int sourceSpeed) { tries+=1; //if (tries>300){cout << "x";return yhteydet;} map<int,int> &ko = koneet[kone]; int haaSize = ko.size()-1; if(haaSize==0){ //return map<int,int> {{sourceSpeed,1}}; map<int,int> a; a[sourceSpeed]=1; return a; } if (source==0){ haaSize+=1; } vector<map<int,int>> haarat(haaSize+1); //=new map<int,int>[haaSize+1]; int i_k = 0; for (auto &item : ko){ if (item.first !=source){ haarat[i_k]=Crossroads(item.first,kone,item.second); //delete koneet[item.first]; i_k+=1; } } long addTotalHalf = 0; map<int,int> yhteydet; yhteydet[sourceSpeed] = 1; //for (int i = 0; i<haaSize; i++){ for (auto &item1 : haarat){ for (auto &item : item1){ int a = std::min(item.first, sourceSpeed); yhteydet.emplace(a,0); yhteydet[a]+=item.second; addTotalHalf+=2*item.second*item.first; } } if (haaSize>1){ //long addTotalHalf = 0; map<int,int> yhtyhaara; //for (int i = 0; i<haaSize; i++){ for (auto &item1 : haarat){ for (auto &item : item1){ yhtyhaara.emplace(item.first,0); yhtyhaara[item.first]+=item.second; } } //int yhSize = yhtyhaara.size(); int ta = 0; int tb = 0; for (auto &item : yhtyhaara){ tb+=item.second; } for (auto &item : yhtyhaara){ ta+=item.first*item.second; tb-=item.second; addTotalHalf+=(ta+tb*item.first)*item.second; } for (auto &item1 : haarat){ int ta = 0; int tb = 0; for (auto &item : item1){ tb+=item.second; } for (auto &item : item1){ ta+=item.first*item.second; tb-=item.second; addTotalHalf-=(ta+tb*item.first)*item.second; } } //addTotal+=addTotalHalf/2; } total+=addTotalHalf; //delete[] haarat; return yhteydet; } int main(){ int n; cin >> n; koneet =new map<int,int>[n+1]; for (int i = 0; i<n; i++){ int c0,c1,c2; cin >> c0 >> c1 >> c2; koneet[c0][c1]=c2; koneet[c1][c0]=c2; } Crossroads(1,0,0); cout << total/2; return 0; }
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
100 1 2 74 1 3 100 2 4 50 3 5 40 ... |
correct output |
---|
88687 |
user output |
---|
88687 |
Test 2
Group: 2, 3
Verdict: WRONG ANSWER
input |
---|
5000 1 2 613084013 1 3 832364259 2 4 411999902 3 5 989696303 ... |
correct output |
---|
1103702320243776 |
user output |
---|
3683886326848 |
Test 3
Group: 3
Verdict: WRONG ANSWER
input |
---|
200000 1 2 613084013 1 3 832364259 2 4 411999902 3 5 989696303 ... |
correct output |
---|
1080549209850010931 |
user output |
---|
147880143772979 |