#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ld long double
#define ll long long
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
void print(long double t) {cerr << t;}
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T> void print(T v[],T n) {cerr << "["; for(int i = 0; i < n; i++) {cerr << v[i] << " ";} cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
// for random generations
mt19937 myrand(chrono::steady_clock::now().time_since_epoch().count());
// mt19937 myrand(131);
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};
long long ka() {
long long x = 0;
bool z = false;
while (1)
{
char y = getchar();
if (y == '-')
z = true;
else if ('0' <= y && y <= '9')
x = x * 10 + y - '0';
else
{
if (z)
x *= -1;
return x;
}
}
}
// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
fastIO();
if (str != "") {
freopen((str + ".in").c_str(), "r", stdin);
freopen((str + ".out").c_str(), "w", stdout);
}
}
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 1505;
int c[N][N], p[N];
int nn;
void init() {
for(int i = 0; i < nn; i++) {
p[i] = i;
}
}
void initialize(int n) {
nn = n;
for(int i = 0; i < n; i++) {
for(int j = i + 1; j < n; j++) {
c[i][j] = 1;
c[j][i] = 1;
}
}
init();
}
int find(int a) {
if(a != p[a]) {
p[a] = find(p[a]);
}
return p[a];
}
int same(int a, int b) {
if(find(a) == find(b)) {
return 1;
}
return 0;
}
int merge(int a, int b) {
a = find(a), b = find(b);
p[b] = a;
for(int i = 0; i < nn; i++) {
if(same(i, a)) continue;
c[a][i] += c[b][i];
c[i][a] += c[i][b];
}
return 1;
}
int hasEdge(int u, int v) {
if(c[find(u)][find(v)] == 1) {
merge(u, v);
return 1;
} else {
c[find(u)][find(v)]--;
c[find(v)][find(u)]--;
return 0;
}
}
Compilation message
game.cpp: In function 'void setIO(std::string)':
game.cpp:88:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
88 | freopen((str + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
game.cpp:89:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
89 | freopen((str + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
220 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
324 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
320 KB |
Output is correct |
12 |
Correct |
1 ms |
328 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
468 KB |
Output is correct |
30 |
Correct |
1 ms |
452 KB |
Output is correct |
31 |
Correct |
1 ms |
452 KB |
Output is correct |
32 |
Correct |
1 ms |
468 KB |
Output is correct |
33 |
Correct |
1 ms |
452 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
2 ms |
596 KB |
Output is correct |
36 |
Correct |
1 ms |
596 KB |
Output is correct |
37 |
Correct |
2 ms |
596 KB |
Output is correct |
38 |
Correct |
1 ms |
588 KB |
Output is correct |
39 |
Correct |
2 ms |
696 KB |
Output is correct |
40 |
Correct |
1 ms |
588 KB |
Output is correct |
41 |
Correct |
2 ms |
596 KB |
Output is correct |
42 |
Correct |
1 ms |
596 KB |
Output is correct |
43 |
Correct |
2 ms |
592 KB |
Output is correct |
44 |
Correct |
1 ms |
596 KB |
Output is correct |
45 |
Correct |
2 ms |
588 KB |
Output is correct |
46 |
Correct |
2 ms |
588 KB |
Output is correct |
47 |
Correct |
2 ms |
596 KB |
Output is correct |
48 |
Correct |
2 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
588 KB |
Output is correct |
50 |
Correct |
2 ms |
596 KB |
Output is correct |
51 |
Correct |
2 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
53 |
Correct |
2 ms |
596 KB |
Output is correct |
54 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
320 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
320 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
324 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
1 ms |
468 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
456 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
448 KB |
Output is correct |
32 |
Correct |
1 ms |
468 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
1 ms |
596 KB |
Output is correct |
36 |
Correct |
2 ms |
592 KB |
Output is correct |
37 |
Correct |
1 ms |
592 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
2 ms |
596 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
1 ms |
596 KB |
Output is correct |
42 |
Correct |
2 ms |
596 KB |
Output is correct |
43 |
Correct |
2 ms |
588 KB |
Output is correct |
44 |
Correct |
2 ms |
596 KB |
Output is correct |
45 |
Correct |
1 ms |
596 KB |
Output is correct |
46 |
Correct |
1 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
684 KB |
Output is correct |
48 |
Correct |
1 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
596 KB |
Output is correct |
50 |
Correct |
1 ms |
596 KB |
Output is correct |
51 |
Correct |
1 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
588 KB |
Output is correct |
53 |
Correct |
2 ms |
596 KB |
Output is correct |
54 |
Correct |
1 ms |
596 KB |
Output is correct |
55 |
Correct |
47 ms |
5024 KB |
Output is correct |
56 |
Correct |
36 ms |
5068 KB |
Output is correct |
57 |
Correct |
34 ms |
5068 KB |
Output is correct |
58 |
Correct |
37 ms |
5024 KB |
Output is correct |
59 |
Correct |
37 ms |
5068 KB |
Output is correct |
60 |
Correct |
34 ms |
5000 KB |
Output is correct |
61 |
Correct |
32 ms |
5032 KB |
Output is correct |
62 |
Correct |
34 ms |
4976 KB |
Output is correct |
63 |
Correct |
34 ms |
5068 KB |
Output is correct |
64 |
Correct |
31 ms |
5092 KB |
Output is correct |
65 |
Correct |
32 ms |
5068 KB |
Output is correct |
66 |
Correct |
33 ms |
5048 KB |
Output is correct |
67 |
Correct |
35 ms |
5004 KB |
Output is correct |
68 |
Correct |
36 ms |
5072 KB |
Output is correct |
69 |
Correct |
34 ms |
5060 KB |
Output is correct |
70 |
Correct |
34 ms |
4992 KB |
Output is correct |
71 |
Correct |
32 ms |
5024 KB |
Output is correct |
72 |
Correct |
34 ms |
5016 KB |
Output is correct |
73 |
Correct |
34 ms |
5068 KB |
Output is correct |
74 |
Correct |
34 ms |
4980 KB |
Output is correct |
75 |
Correct |
40 ms |
5000 KB |
Output is correct |
76 |
Correct |
91 ms |
8900 KB |
Output is correct |
77 |
Correct |
80 ms |
8880 KB |
Output is correct |
78 |
Correct |
83 ms |
9008 KB |
Output is correct |
79 |
Correct |
81 ms |
8876 KB |
Output is correct |
80 |
Correct |
78 ms |
8896 KB |
Output is correct |
81 |
Correct |
82 ms |
8972 KB |
Output is correct |
82 |
Correct |
86 ms |
8956 KB |
Output is correct |
83 |
Correct |
79 ms |
8908 KB |
Output is correct |
84 |
Correct |
82 ms |
8940 KB |
Output is correct |
85 |
Correct |
148 ms |
13356 KB |
Output is correct |
86 |
Correct |
141 ms |
13388 KB |
Output is correct |
87 |
Correct |
150 ms |
13484 KB |
Output is correct |
88 |
Correct |
137 ms |
13372 KB |
Output is correct |
89 |
Correct |
149 ms |
13356 KB |
Output is correct |
90 |
Correct |
138 ms |
13388 KB |
Output is correct |
91 |
Correct |
139 ms |
13504 KB |
Output is correct |
92 |
Correct |
138 ms |
13368 KB |
Output is correct |
93 |
Correct |
138 ms |
13492 KB |
Output is correct |
94 |
Correct |
346 ms |
25068 KB |
Output is correct |
95 |
Correct |
370 ms |
25108 KB |
Output is correct |
96 |
Correct |
355 ms |
25160 KB |
Output is correct |
97 |
Correct |
363 ms |
25160 KB |
Output is correct |
98 |
Correct |
427 ms |
25112 KB |
Output is correct |
99 |
Correct |
412 ms |
25120 KB |
Output is correct |
100 |
Correct |
386 ms |
25096 KB |
Output is correct |