Task: | Course Schedule |
Sender: | htoik |
Submission time: | 2024-10-07 00:49:13 +0300 |
Language: | C++ (C++20) |
Status: | READY |
Result: | WRONG ANSWER |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
#4 | ACCEPTED | 0.00 s | details |
#5 | WRONG ANSWER | 0.00 s | details |
#6 | WRONG ANSWER | 0.31 s | details |
#7 | WRONG ANSWER | 0.31 s | details |
#8 | WRONG ANSWER | 0.31 s | details |
#9 | WRONG ANSWER | 0.32 s | details |
#10 | WRONG ANSWER | 0.26 s | details |
#11 | ACCEPTED | 0.22 s | details |
#12 | WRONG ANSWER | 0.00 s | details |
#13 | WRONG ANSWER | 0.00 s | details |
#14 | ACCEPTED | 0.17 s | details |
#15 | ACCEPTED | 0.17 s | details |
#16 | WRONG ANSWER | 0.00 s | details |
#17 | WRONG ANSWER | 0.21 s | details |
Compiler report
input/code.cpp: In function 'int main()': input/code.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 33 | for(int i=0; i<m; i++){ | ~^~ input/code.cpp:70:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 70 | for(int i=1; i<n; i++){ | ~^~
Code
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; int p[100001]; map<int, vector<int>> adj; vector<int> order; bool process(int a){ if(p[a] == 2) return true; p[a] = 1; for(auto b : adj[a]){ if(p[b] == 0){ if(!process(b)){ return false; } } if(p[b] == 1){ return false; } } p[a] = 2; order.push_back(a); return true; } int main(){ unsigned n, m; cin >> n >> m; for(int i=0; i<m; i++){ int a, b; cin >> a >> b; adj[a].push_back(b); } // vector<int> order; order.reserve(n); for(auto&[a,_] : adj){ if(!process(a)){ cout << "IMPOSSIBLE" << endl; break; } } // priority_queue<int> q; // q.push(adj.begin()->first); // while(!q.empty()){ // int a = q.top(); q.pop(); // bool isp = true; // for(int b : adj[a]){ // if(p[b] == 0){ // q.push(b); // isp = false; // } // else if(p[b] == 1){ // cout << "IMPOSSIBLE" << endl; // return 0; // } // } // if(isp){ // p[a] = 2; // order.push_back(a); // } // } cout << order[n-1]; for(int i=1; i<n; i++){ cout << " " << order[n-i-1]; } cout << endl; }
Test details
Test 1
Verdict: ACCEPTED
input |
---|
10 20 5 2 2 4 8 9 6 4 ... |
correct output |
---|
5 7 10 2 1 8 3 9 6 4 |
user output |
---|
10 7 5 2 1 8 3 9 6 4 |
Test 2
Verdict: ACCEPTED
input |
---|
10 20 2 7 1 10 9 5 9 7 ... |
correct output |
---|
1 8 3 6 10 2 9 4 5 7 |
user output |
---|
8 1 3 6 10 2 9 4 5 7 |
Test 3
Verdict: ACCEPTED
input |
---|
10 20 8 5 2 3 10 1 9 1 ... |
correct output |
---|
4 6 7 9 10 2 8 3 1 5 |
user output |
---|
9 7 10 6 8 4 2 3 1 5 |
Test 4
Verdict: ACCEPTED
input |
---|
10 20 5 10 10 3 9 10 6 2 ... |
correct output |
---|
7 8 6 4 2 1 5 9 10 3 |
user output |
---|
8 7 6 4 2 5 1 9 10 3 |
Test 5
Verdict: WRONG ANSWER
input |
---|
10 20 2 9 4 8 9 1 10 6 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE 0 0 0 0 0 0 0 0 0 0 |
Test 6
Verdict: WRONG ANSWER
input |
---|
100000 200000 78359 8853 18190 30703 11401 30087 34627 11535 ... |
correct output |
---|
2 3 8 9 16 18 21 22 27 34 36 4... |
user output |
---|
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Truncated |
Test 7
Verdict: WRONG ANSWER
input |
---|
100000 200000 32395 2098 67067 31866 31867 67167 78488 33397 ... |
correct output |
---|
9 11 13 16 22 35 37 38 40 44 5... |
user output |
---|
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Truncated |
Test 8
Verdict: WRONG ANSWER
input |
---|
100000 200000 19035 36947 13730 46121 99449 77790 15626 11731 ... |
correct output |
---|
1 7 15 17 18 34 38 41 48 49 51... |
user output |
---|
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Truncated |
Test 9
Verdict: WRONG ANSWER
input |
---|
100000 200000 14188 9709 46541 20871 32203 88809 99879 54779 ... |
correct output |
---|
6 10 11 16 17 19 21 22 23 28 3... |
user output |
---|
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Truncated |
Test 10
Verdict: WRONG ANSWER
input |
---|
100000 200000 41882 61162 28138 18053 74649 74863 69760 74508 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Truncated |
Test 11
Verdict: ACCEPTED
input |
---|
100000 199998 1 100000 1 100000 2 100000 2 100000 ... |
correct output |
---|
1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
user output |
---|
99999 99998 99997 99996 99995 ... Truncated |
Test 12
Verdict: WRONG ANSWER
input |
---|
2 2 1 2 2 1 |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE 0 0 |
Test 13
Verdict: WRONG ANSWER
input |
---|
6 6 1 2 2 3 4 3 4 5 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE 0 0 0 1 2 3 |
Test 14
Verdict: ACCEPTED
input |
---|
99999 149997 1 3 3 5 5 7 7 9 ... |
correct output |
---|
1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
user output |
---|
1 2 3 4 5 6 7 8 9 10 11 12 13 ... Truncated |
Test 15
Verdict: ACCEPTED
input |
---|
100000 149998 2 1 3 2 4 3 5 4 ... |
correct output |
---|
100000 99999 99998 99997 99996... |
user output |
---|
100000 99999 99998 99997 99996... Truncated |
Test 16
Verdict: WRONG ANSWER
input |
---|
6 6 1 2 1 3 2 4 3 5 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE 0 0 0 0 2 4 |
Test 17
Verdict: WRONG ANSWER
input |
---|
100000 200000 1 1 1 1 2 2 2 2 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Truncated |