#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
int s[200000];
vi adjList[200000];
vi S[200000];
int order[200000],parent[200000];
int find(int n) {
if (parent[n] != n) parent[n] = find(parent[n]);
return parent[n];
}
int seen[200000],ans[200000];
LLI ss[200000];
int main() {
int i;
int N,M;
int u,v;
scanf("%d %d",&N,&M);
for (i = 0; i < N; i++) scanf("%d",&s[i]);
for (i = 0; i < M; i++) {
scanf("%d %d",&u,&v);
u--,v--;
adjList[u].pb(v);
adjList[v].pb(u);
}
for (i = 0; i < N; i++) parent[i] = order[i] = i,S[i].pb(i),ss[i] = s[i];
sort(order,order+N,[&](int a,int b) { return s[a] < s[b]; });
for (i = 0; i < N; i++) {
int u = order[i];
seen[u] = 1;
for (int v: adjList[u]) {
if (seen[v]) {
if (find(u) != find(v)) {
int uu = find(u),vv = find(v);
if (ss[vv] < s[u]) S[vv].clear();
if (S[uu].size() > S[vv].size()) swap(uu,vv);
for (int x: S[uu]) S[vv].pb(x);
S[uu].clear(),parent[uu] = vv,ss[vv] += ss[uu];
}
}
}
}
for (int x: S[find(0)]) ans[x] = 1;
for (i = 0; i < N; i++) printf("%d",ans[i]);
printf("\n");
return 0;
}
Compilation message
island.cpp: In function 'int main()':
island.cpp:72:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
72 | scanf("%d %d",&N,&M);
| ~~~~~^~~~~~~~~~~~~~~
island.cpp:73:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
73 | for (i = 0; i < N; i++) scanf("%d",&s[i]);
| ~~~~~^~~~~~~~~~~~
island.cpp:75:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
75 | scanf("%d %d",&u,&v);
| ~~~~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
9684 KB |
Output is correct |
2 |
Correct |
5 ms |
9684 KB |
Output is correct |
3 |
Correct |
5 ms |
9684 KB |
Output is correct |
4 |
Correct |
6 ms |
9812 KB |
Output is correct |
5 |
Correct |
6 ms |
9940 KB |
Output is correct |
6 |
Correct |
6 ms |
9812 KB |
Output is correct |
7 |
Correct |
6 ms |
9812 KB |
Output is correct |
8 |
Correct |
6 ms |
9812 KB |
Output is correct |
9 |
Correct |
6 ms |
9940 KB |
Output is correct |
10 |
Correct |
6 ms |
9940 KB |
Output is correct |
11 |
Correct |
7 ms |
9940 KB |
Output is correct |
12 |
Correct |
7 ms |
9976 KB |
Output is correct |
13 |
Correct |
6 ms |
9848 KB |
Output is correct |
14 |
Correct |
6 ms |
9840 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
9684 KB |
Output is correct |
2 |
Correct |
5 ms |
9684 KB |
Output is correct |
3 |
Correct |
167 ms |
30740 KB |
Output is correct |
4 |
Correct |
183 ms |
32708 KB |
Output is correct |
5 |
Correct |
180 ms |
31620 KB |
Output is correct |
6 |
Correct |
191 ms |
32724 KB |
Output is correct |
7 |
Correct |
181 ms |
33340 KB |
Output is correct |
8 |
Correct |
204 ms |
32672 KB |
Output is correct |
9 |
Correct |
166 ms |
33948 KB |
Output is correct |
10 |
Correct |
128 ms |
30908 KB |
Output is correct |
11 |
Correct |
140 ms |
32356 KB |
Output is correct |
12 |
Correct |
197 ms |
30972 KB |
Output is correct |
13 |
Correct |
161 ms |
32844 KB |
Output is correct |
14 |
Correct |
169 ms |
33620 KB |
Output is correct |
15 |
Correct |
164 ms |
32384 KB |
Output is correct |
16 |
Correct |
118 ms |
31188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
9684 KB |
Output is correct |
2 |
Correct |
222 ms |
35000 KB |
Output is correct |
3 |
Correct |
235 ms |
34120 KB |
Output is correct |
4 |
Correct |
169 ms |
36504 KB |
Output is correct |
5 |
Correct |
168 ms |
34368 KB |
Output is correct |
6 |
Correct |
218 ms |
34852 KB |
Output is correct |
7 |
Correct |
181 ms |
32300 KB |
Output is correct |
8 |
Correct |
181 ms |
32084 KB |
Output is correct |
9 |
Correct |
111 ms |
31176 KB |
Output is correct |
10 |
Correct |
171 ms |
31664 KB |
Output is correct |
11 |
Correct |
188 ms |
33304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
9700 KB |
Output is correct |
2 |
Correct |
213 ms |
32548 KB |
Output is correct |
3 |
Correct |
217 ms |
34140 KB |
Output is correct |
4 |
Correct |
207 ms |
32288 KB |
Output is correct |
5 |
Correct |
203 ms |
36112 KB |
Output is correct |
6 |
Correct |
193 ms |
32952 KB |
Output is correct |
7 |
Correct |
144 ms |
33768 KB |
Output is correct |
8 |
Correct |
121 ms |
33440 KB |
Output is correct |
9 |
Correct |
119 ms |
22544 KB |
Output is correct |
10 |
Correct |
206 ms |
34064 KB |
Output is correct |
11 |
Correct |
183 ms |
32604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
9684 KB |
Output is correct |
2 |
Correct |
5 ms |
9684 KB |
Output is correct |
3 |
Correct |
5 ms |
9684 KB |
Output is correct |
4 |
Correct |
6 ms |
9812 KB |
Output is correct |
5 |
Correct |
6 ms |
9940 KB |
Output is correct |
6 |
Correct |
6 ms |
9812 KB |
Output is correct |
7 |
Correct |
6 ms |
9812 KB |
Output is correct |
8 |
Correct |
6 ms |
9812 KB |
Output is correct |
9 |
Correct |
6 ms |
9940 KB |
Output is correct |
10 |
Correct |
6 ms |
9940 KB |
Output is correct |
11 |
Correct |
7 ms |
9940 KB |
Output is correct |
12 |
Correct |
7 ms |
9976 KB |
Output is correct |
13 |
Correct |
6 ms |
9848 KB |
Output is correct |
14 |
Correct |
6 ms |
9840 KB |
Output is correct |
15 |
Correct |
5 ms |
9684 KB |
Output is correct |
16 |
Correct |
5 ms |
9684 KB |
Output is correct |
17 |
Correct |
167 ms |
30740 KB |
Output is correct |
18 |
Correct |
183 ms |
32708 KB |
Output is correct |
19 |
Correct |
180 ms |
31620 KB |
Output is correct |
20 |
Correct |
191 ms |
32724 KB |
Output is correct |
21 |
Correct |
181 ms |
33340 KB |
Output is correct |
22 |
Correct |
204 ms |
32672 KB |
Output is correct |
23 |
Correct |
166 ms |
33948 KB |
Output is correct |
24 |
Correct |
128 ms |
30908 KB |
Output is correct |
25 |
Correct |
140 ms |
32356 KB |
Output is correct |
26 |
Correct |
197 ms |
30972 KB |
Output is correct |
27 |
Correct |
161 ms |
32844 KB |
Output is correct |
28 |
Correct |
169 ms |
33620 KB |
Output is correct |
29 |
Correct |
164 ms |
32384 KB |
Output is correct |
30 |
Correct |
118 ms |
31188 KB |
Output is correct |
31 |
Correct |
5 ms |
9684 KB |
Output is correct |
32 |
Correct |
222 ms |
35000 KB |
Output is correct |
33 |
Correct |
235 ms |
34120 KB |
Output is correct |
34 |
Correct |
169 ms |
36504 KB |
Output is correct |
35 |
Correct |
168 ms |
34368 KB |
Output is correct |
36 |
Correct |
218 ms |
34852 KB |
Output is correct |
37 |
Correct |
181 ms |
32300 KB |
Output is correct |
38 |
Correct |
181 ms |
32084 KB |
Output is correct |
39 |
Correct |
111 ms |
31176 KB |
Output is correct |
40 |
Correct |
171 ms |
31664 KB |
Output is correct |
41 |
Correct |
188 ms |
33304 KB |
Output is correct |
42 |
Correct |
6 ms |
9700 KB |
Output is correct |
43 |
Correct |
213 ms |
32548 KB |
Output is correct |
44 |
Correct |
217 ms |
34140 KB |
Output is correct |
45 |
Correct |
207 ms |
32288 KB |
Output is correct |
46 |
Correct |
203 ms |
36112 KB |
Output is correct |
47 |
Correct |
193 ms |
32952 KB |
Output is correct |
48 |
Correct |
144 ms |
33768 KB |
Output is correct |
49 |
Correct |
121 ms |
33440 KB |
Output is correct |
50 |
Correct |
119 ms |
22544 KB |
Output is correct |
51 |
Correct |
206 ms |
34064 KB |
Output is correct |
52 |
Correct |
183 ms |
32604 KB |
Output is correct |
53 |
Correct |
5 ms |
9684 KB |
Output is correct |
54 |
Correct |
5 ms |
9696 KB |
Output is correct |
55 |
Correct |
5 ms |
9672 KB |
Output is correct |
56 |
Correct |
6 ms |
9880 KB |
Output is correct |
57 |
Correct |
7 ms |
9972 KB |
Output is correct |
58 |
Correct |
7 ms |
9840 KB |
Output is correct |
59 |
Correct |
6 ms |
9840 KB |
Output is correct |
60 |
Correct |
6 ms |
9844 KB |
Output is correct |
61 |
Correct |
6 ms |
9940 KB |
Output is correct |
62 |
Correct |
6 ms |
9940 KB |
Output is correct |
63 |
Correct |
6 ms |
9940 KB |
Output is correct |
64 |
Correct |
7 ms |
9940 KB |
Output is correct |
65 |
Correct |
6 ms |
9940 KB |
Output is correct |
66 |
Correct |
6 ms |
9940 KB |
Output is correct |
67 |
Correct |
174 ms |
32728 KB |
Output is correct |
68 |
Correct |
166 ms |
33980 KB |
Output is correct |
69 |
Correct |
178 ms |
34240 KB |
Output is correct |
70 |
Correct |
181 ms |
34076 KB |
Output is correct |
71 |
Correct |
179 ms |
32160 KB |
Output is correct |
72 |
Correct |
194 ms |
32960 KB |
Output is correct |
73 |
Correct |
168 ms |
34524 KB |
Output is correct |
74 |
Correct |
127 ms |
29544 KB |
Output is correct |
75 |
Correct |
138 ms |
31640 KB |
Output is correct |
76 |
Correct |
191 ms |
30720 KB |
Output is correct |
77 |
Correct |
161 ms |
33332 KB |
Output is correct |
78 |
Correct |
162 ms |
32960 KB |
Output is correct |
79 |
Correct |
166 ms |
32392 KB |
Output is correct |
80 |
Correct |
109 ms |
32324 KB |
Output is correct |
81 |
Correct |
211 ms |
34480 KB |
Output is correct |
82 |
Correct |
229 ms |
34500 KB |
Output is correct |
83 |
Correct |
165 ms |
32436 KB |
Output is correct |
84 |
Correct |
170 ms |
34008 KB |
Output is correct |
85 |
Correct |
222 ms |
35948 KB |
Output is correct |
86 |
Correct |
178 ms |
33096 KB |
Output is correct |
87 |
Correct |
176 ms |
33052 KB |
Output is correct |
88 |
Correct |
169 ms |
30812 KB |
Output is correct |
89 |
Correct |
184 ms |
30748 KB |
Output is correct |
90 |
Correct |
212 ms |
31784 KB |
Output is correct |
91 |
Correct |
204 ms |
34124 KB |
Output is correct |
92 |
Correct |
210 ms |
35144 KB |
Output is correct |
93 |
Correct |
203 ms |
35376 KB |
Output is correct |
94 |
Correct |
187 ms |
32540 KB |
Output is correct |
95 |
Correct |
139 ms |
33088 KB |
Output is correct |
96 |
Correct |
118 ms |
32900 KB |
Output is correct |
97 |
Correct |
120 ms |
22220 KB |
Output is correct |
98 |
Correct |
199 ms |
34700 KB |
Output is correct |
99 |
Correct |
181 ms |
33372 KB |
Output is correct |
100 |
Correct |
54 ms |
13876 KB |
Output is correct |
101 |
Correct |
232 ms |
34448 KB |
Output is correct |
102 |
Correct |
195 ms |
27940 KB |
Output is correct |
103 |
Correct |
178 ms |
25764 KB |
Output is correct |
104 |
Correct |
218 ms |
29220 KB |
Output is correct |