Submission #92204

# Submission time Handle Problem Language Result Execution time Memory
92204 2019-01-01T23:36:46 Z updown1 Uzastopni (COCI15_uzastopni) C++17
80 / 160
500 ms 33792 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, MAXV)
#define ffj For(j, 0, MAXV)
#define ffa ffi ffj
#define s <<" "<<
#define c <<" : "<<
#define w cout
#define e endl//"\n"
#define pb push_back
#define mp make_pair
#define a first
#define b second
//#define int ll
const int MAXN=10000, MAXV = 100;
///500,000,000
int N, joke[MAXN];
bool rng[MAXV][MAXV];
vector<int> adj[MAXN], st[MAXN], en[MAXN];

void go(int at) {
    for (int i: adj[at]) go(i);
    ffa rng[i][j] = false;
    for (int i: adj[at]) for (int j: st[i]) for (int k: en[i]) if ( k < joke[at] || joke[at] < j ) rng[j][k] = true;
    rng[joke[at]][joke[at]] = true;
    For (k, 0, MAXV-1) For (i, 0, k+1) For (j, k+1, MAXV) if (rng[i][k] && rng[k+1][j]) rng[i][j] = true;
    //w<< at+1<<e; For (i, 0, 4) {For (j, 0, 4) w<< rng[i][j] << " "; w<<e;}
    bool addst[MAXN], adden[MAXN];
    ffi addst[i] = adden[i] = false;
    ffi For (j, i, MAXV) if (rng[i][j] && i <= joke[at] && joke[at] <= j) {
        if (!addst[i]) {st[at].pb(i); addst[i] = true;}
        if (!adden[j]) {en[at].pb(j); adden[j] = true;}
    }
    //w<< at+1<<e; w<< "st:"; for (int i: st[at]) w s i+1; w<<e; w<< "en:"; for (int i: en[at]) w s i+1; w<<e;
}

main() {
    //ifstream cin("test.in");
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N;
	For (i, 0, N) {cin >> joke[i]; joke[i]--;}
	For (i, 1, N) {int a, b; cin >> a >> b; a--; b--; adj[a].pb(b);}
	go(0);
	w<< st[0].size()*en[0].size()<<e;
}

Compilation message

uzastopni.cpp:39:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
# Verdict Execution time Memory Grader output
1 Correct 10 ms 1144 KB Output is correct
2 Correct 14 ms 1144 KB Output is correct
3 Correct 16 ms 1144 KB Output is correct
4 Correct 16 ms 1148 KB Output is correct
5 Correct 20 ms 1144 KB Output is correct
6 Correct 20 ms 1656 KB Output is correct
7 Correct 21 ms 1656 KB Output is correct
8 Correct 21 ms 1656 KB Output is correct
9 Correct 20 ms 1144 KB Output is correct
10 Correct 21 ms 1144 KB Output is correct
11 Execution timed out 1068 ms 1912 KB Time limit exceeded
12 Execution timed out 1082 ms 1876 KB Time limit exceeded
13 Execution timed out 1082 ms 2040 KB Time limit exceeded
14 Runtime error 32 ms 33792 KB Execution killed with signal 9 (could be triggered by violating memory limits)
15 Runtime error 32 ms 33792 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Runtime error 35 ms 33792 KB Execution killed with signal 9 (could be triggered by violating memory limits)
17 Execution timed out 1066 ms 2060 KB Time limit exceeded
18 Execution timed out 1088 ms 1912 KB Time limit exceeded
19 Execution timed out 1078 ms 1784 KB Time limit exceeded
20 Execution timed out 1080 ms 1784 KB Time limit exceeded