| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1079626 | 2024-08-28T19:09:19 Z | c2zi6 | Longest Trip (IOI23_longesttrip) | C++17 | 981 ms | 1724 KB |
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "longesttrip.h"
int n;
VVI gp;
VVI edges;
VI rev(VI a) {
reverse(all(a));
return a;
}
VI longest_trip(int N, int D) {
assert(D == 1);
n = N;
gp = VVI(n);
edges = VVI(n, VI(n));
replr(i, 0, n-1) {
replr(j, i+1, n-1) {
if (are_connected({i}, {j})) {
gp[i].pb(j);
gp[j].pb(i);
edges[i][j] = edges[j][i] = true;
}
}
}
VI path1;
VI path2;
path1.pb(0);
path2.pb(1);
replr(u, 2, n-1) {
if (edges[path1.back()][u]) path1.pb(u);
else if (edges[path2.back()][u]) path2.pb(u);
else {
for (int u : rev(path2)) path1.pb(u);
path2 = VI{u};
}
}
if (edges[path2[0]][path1[0]]) {
VI ans;
for (int x : rev(path2)) ans.pb(x);
for (int x : path1) ans.pb(x);
return ans;
}
if (edges[path2.back()][path1[0]]) {
VI ans;
for (int x : path2) ans.pb(x);
for (int x : path1) ans.pb(x);
return ans;
}
if (edges[path1.back()][path2[0]]) {
VI ans;
for (int x : path1) ans.pb(x);
for (int x : path2) ans.pb(x);
return ans;
}
int ind1 = -1;
int ind2 = -1;
rep(i, path1.size()) {
rep(j, path2.size()) {
if (edges[path1[i]][path2[j]]) {
ind1 = i;
ind2 = j;
break;
}
}
}
if (ind1 == -1) {
if (path1.size() > path2.size()) return path1;
return path2;
}
VI ans;
replr(i, ind2+1, ind2+1 + path2.size()-1) {
ans.pb(path2[i%(int)path2.size()]);
}
replr(i, ind1, ind1 + path1.size()-1) {
ans.pb(path1[i%(int)path1.size()]);
}
/*cout << "ind1: " << ind1 << endl;*/
/*cout << "ind2: " << ind2 << endl;*/
/*for (int x : path1) cout << x << " "; cout << endl;*/
/*for (int x : path2) cout << x << " "; cout << endl;*/
return ans;
if (path1.size() > path2.size()) return path1;
return path2;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 344 KB | Output is correct |
| 2 | Correct | 210 ms | 984 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 1 ms | 344 KB | Execution killed with signal 6 |
| 2 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 1 ms | 344 KB | Execution killed with signal 6 |
| 2 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 344 KB | Output is correct |
| 2 | Correct | 27 ms | 344 KB | Output is correct |
| 3 | Correct | 150 ms | 592 KB | Output is correct |
| 4 | Correct | 420 ms | 848 KB | Output is correct |
| 5 | Correct | 872 ms | 1048 KB | Output is correct |
| 6 | Correct | 5 ms | 344 KB | Output is correct |
| 7 | Correct | 22 ms | 344 KB | Output is correct |
| 8 | Correct | 122 ms | 344 KB | Output is correct |
| 9 | Correct | 321 ms | 752 KB | Output is correct |
| 10 | Correct | 862 ms | 1236 KB | Output is correct |
| 11 | Correct | 858 ms | 1240 KB | Output is correct |
| 12 | Correct | 851 ms | 1104 KB | Output is correct |
| 13 | Correct | 853 ms | 1500 KB | Output is correct |
| 14 | Correct | 5 ms | 344 KB | Output is correct |
| 15 | Correct | 11 ms | 344 KB | Output is correct |
| 16 | Correct | 41 ms | 344 KB | Output is correct |
| 17 | Correct | 93 ms | 344 KB | Output is correct |
| 18 | Correct | 164 ms | 596 KB | Output is correct |
| 19 | Correct | 324 ms | 796 KB | Output is correct |
| 20 | Correct | 272 ms | 1028 KB | Output is correct |
| 21 | Correct | 833 ms | 1056 KB | Output is correct |
| 22 | Correct | 880 ms | 1096 KB | Output is correct |
| 23 | Correct | 883 ms | 1724 KB | Output is correct |
| 24 | Correct | 802 ms | 1520 KB | Output is correct |
| 25 | Correct | 7 ms | 344 KB | Output is correct |
| 26 | Correct | 9 ms | 344 KB | Output is correct |
| 27 | Correct | 22 ms | 344 KB | Output is correct |
| 28 | Correct | 35 ms | 344 KB | Output is correct |
| 29 | Correct | 15 ms | 344 KB | Output is correct |
| 30 | Correct | 162 ms | 592 KB | Output is correct |
| 31 | Correct | 188 ms | 460 KB | Output is correct |
| 32 | Correct | 188 ms | 344 KB | Output is correct |
| 33 | Correct | 339 ms | 748 KB | Output is correct |
| 34 | Correct | 313 ms | 796 KB | Output is correct |
| 35 | Correct | 306 ms | 532 KB | Output is correct |
| 36 | Correct | 871 ms | 1476 KB | Output is correct |
| 37 | Correct | 829 ms | 1288 KB | Output is correct |
| 38 | Correct | 870 ms | 1364 KB | Output is correct |
| 39 | Correct | 825 ms | 1108 KB | Output is correct |
| 40 | Correct | 907 ms | 980 KB | Output is correct |
| 41 | Correct | 866 ms | 1452 KB | Output is correct |
| 42 | Correct | 853 ms | 1228 KB | Output is correct |
| 43 | Correct | 919 ms | 1080 KB | Output is correct |
| 44 | Correct | 812 ms | 1180 KB | Output is correct |
| 45 | Correct | 10 ms | 344 KB | Output is correct |
| 46 | Correct | 11 ms | 344 KB | Output is correct |
| 47 | Correct | 21 ms | 344 KB | Output is correct |
| 48 | Correct | 21 ms | 344 KB | Output is correct |
| 49 | Correct | 20 ms | 344 KB | Output is correct |
| 50 | Correct | 194 ms | 592 KB | Output is correct |
| 51 | Correct | 196 ms | 600 KB | Output is correct |
| 52 | Correct | 191 ms | 592 KB | Output is correct |
| 53 | Correct | 299 ms | 540 KB | Output is correct |
| 54 | Correct | 324 ms | 792 KB | Output is correct |
| 55 | Correct | 295 ms | 784 KB | Output is correct |
| 56 | Correct | 877 ms | 1016 KB | Output is correct |
| 57 | Correct | 879 ms | 1064 KB | Output is correct |
| 58 | Correct | 875 ms | 976 KB | Output is correct |
| 59 | Correct | 862 ms | 1384 KB | Output is correct |
| 60 | Correct | 877 ms | 1104 KB | Output is correct |
| 61 | Correct | 819 ms | 1176 KB | Output is correct |
| 62 | Correct | 841 ms | 1104 KB | Output is correct |
| 63 | Correct | 844 ms | 1240 KB | Output is correct |
| 64 | Correct | 853 ms | 1468 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 344 KB | Output is correct |
| 2 | Correct | 20 ms | 344 KB | Output is correct |
| 3 | Partially correct | 150 ms | 456 KB | Output is partially correct |
| 4 | Partially correct | 426 ms | 832 KB | Output is partially correct |
| 5 | Partially correct | 842 ms | 1348 KB | Output is partially correct |
| 6 | Correct | 5 ms | 344 KB | Output is correct |
| 7 | Correct | 24 ms | 344 KB | Output is correct |
| 8 | Partially correct | 139 ms | 344 KB | Output is partially correct |
| 9 | Partially correct | 311 ms | 540 KB | Output is partially correct |
| 10 | Partially correct | 840 ms | 1232 KB | Output is partially correct |
| 11 | Partially correct | 839 ms | 1396 KB | Output is partially correct |
| 12 | Partially correct | 790 ms | 1364 KB | Output is partially correct |
| 13 | Partially correct | 819 ms | 1236 KB | Output is partially correct |
| 14 | Correct | 7 ms | 344 KB | Output is correct |
| 15 | Correct | 11 ms | 344 KB | Output is correct |
| 16 | Correct | 34 ms | 344 KB | Output is correct |
| 17 | Partially correct | 96 ms | 344 KB | Output is partially correct |
| 18 | Partially correct | 175 ms | 684 KB | Output is partially correct |
| 19 | Partially correct | 314 ms | 596 KB | Output is partially correct |
| 20 | Partially correct | 274 ms | 548 KB | Output is partially correct |
| 21 | Correct | 12 ms | 344 KB | Output is correct |
| 22 | Correct | 7 ms | 344 KB | Output is correct |
| 23 | Correct | 20 ms | 340 KB | Output is correct |
| 24 | Correct | 34 ms | 344 KB | Output is correct |
| 25 | Correct | 21 ms | 344 KB | Output is correct |
| 26 | Partially correct | 169 ms | 600 KB | Output is partially correct |
| 27 | Partially correct | 192 ms | 468 KB | Output is partially correct |
| 28 | Partially correct | 215 ms | 716 KB | Output is partially correct |
| 29 | Partially correct | 310 ms | 540 KB | Output is partially correct |
| 30 | Partially correct | 289 ms | 1036 KB | Output is partially correct |
| 31 | Partially correct | 310 ms | 540 KB | Output is partially correct |
| 32 | Correct | 12 ms | 344 KB | Output is correct |
| 33 | Correct | 9 ms | 344 KB | Output is correct |
| 34 | Correct | 22 ms | 344 KB | Output is correct |
| 35 | Correct | 24 ms | 340 KB | Output is correct |
| 36 | Correct | 18 ms | 344 KB | Output is correct |
| 37 | Partially correct | 210 ms | 460 KB | Output is partially correct |
| 38 | Partially correct | 207 ms | 600 KB | Output is partially correct |
| 39 | Partially correct | 200 ms | 468 KB | Output is partially correct |
| 40 | Partially correct | 280 ms | 592 KB | Output is partially correct |
| 41 | Partially correct | 292 ms | 540 KB | Output is partially correct |
| 42 | Partially correct | 309 ms | 784 KB | Output is partially correct |
| 43 | Partially correct | 895 ms | 1428 KB | Output is partially correct |
| 44 | Partially correct | 859 ms | 1480 KB | Output is partially correct |
| 45 | Partially correct | 846 ms | 1268 KB | Output is partially correct |
| 46 | Partially correct | 848 ms | 1264 KB | Output is partially correct |
| 47 | Partially correct | 849 ms | 980 KB | Output is partially correct |
| 48 | Partially correct | 789 ms | 1192 KB | Output is partially correct |
| 49 | Partially correct | 858 ms | 1228 KB | Output is partially correct |
| 50 | Partially correct | 823 ms | 1576 KB | Output is partially correct |
| 51 | Partially correct | 842 ms | 1504 KB | Output is partially correct |
| 52 | Partially correct | 829 ms | 1128 KB | Output is partially correct |
| 53 | Partially correct | 787 ms | 992 KB | Output is partially correct |
| 54 | Partially correct | 869 ms | 980 KB | Output is partially correct |
| 55 | Partially correct | 858 ms | 1236 KB | Output is partially correct |
| 56 | Partially correct | 872 ms | 1308 KB | Output is partially correct |
| 57 | Partially correct | 860 ms | 1104 KB | Output is partially correct |
| 58 | Partially correct | 812 ms | 1308 KB | Output is partially correct |
| 59 | Partially correct | 811 ms | 1148 KB | Output is partially correct |
| 60 | Partially correct | 855 ms | 984 KB | Output is partially correct |
| 61 | Partially correct | 818 ms | 1000 KB | Output is partially correct |
| 62 | Partially correct | 822 ms | 1228 KB | Output is partially correct |
| 63 | Partially correct | 825 ms | 1140 KB | Output is partially correct |
| 64 | Partially correct | 825 ms | 1240 KB | Output is partially correct |
| 65 | Partially correct | 843 ms | 1364 KB | Output is partially correct |
| 66 | Partially correct | 865 ms | 1120 KB | Output is partially correct |
| 67 | Partially correct | 847 ms | 1004 KB | Output is partially correct |
| 68 | Partially correct | 873 ms | 980 KB | Output is partially correct |
| 69 | Partially correct | 896 ms | 1576 KB | Output is partially correct |
| 70 | Partially correct | 940 ms | 1076 KB | Output is partially correct |
| 71 | Partially correct | 869 ms | 1224 KB | Output is partially correct |
| 72 | Partially correct | 845 ms | 1128 KB | Output is partially correct |
| 73 | Partially correct | 981 ms | 1564 KB | Output is partially correct |
| 74 | Partially correct | 917 ms | 1356 KB | Output is partially correct |
| 75 | Partially correct | 884 ms | 1548 KB | Output is partially correct |
| 76 | Partially correct | 833 ms | 988 KB | Output is partially correct |
| 77 | Partially correct | 915 ms | 1388 KB | Output is partially correct |
| 78 | Partially correct | 852 ms | 992 KB | Output is partially correct |
| 79 | Partially correct | 889 ms | 1584 KB | Output is partially correct |
| 80 | Partially correct | 901 ms | 1316 KB | Output is partially correct |
| 81 | Partially correct | 836 ms | 1288 KB | Output is partially correct |
| 82 | Partially correct | 846 ms | 1232 KB | Output is partially correct |