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Submission #166539

# Submission time Handle Problem Language Result Execution time Memory
166539 2019-12-02T17:49:52 Z wilwxk Carnival (CEOI14_carnival) C++14
0 / 100
 2 ms 380 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAXN=155;
int rep[MAXN], repp[MAXN];
int mp[MAXN];
int n, cnt;

int find(int x) {
    return rep[x]= rep[x]==x ? x : find(rep[x]);
}
void une(int a, int b) {
    a=find(a); b=find(b);
    if(a==b) return;
    if(repp[a]>repp[b]) swap(a, b);
    rep[a]=b;
}

int main() {
    scanf("%d", &n);
    for(int i=1; i<=n; i++) rep[i]=repp[i]=i;
    for(int i=1; i<=n; i++) {
        for(int j=1; j<i; j++) {
            printf("2 %d %d\n", i, j);
            int x; scanf("%d", &x);
            if(x==1) une(i, j);
            fflush(stdout);
        }
    }

    printf("0 ");
    for(int i=1; i<=n; i++) {
        if(!mp[find(i)]) mp[find(i)]=++cnt;
        printf("%d ", mp[find(i)]);
    }
}

Compilation message

carnival.cpp: In function 'int main()':
carnival.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
carnival.cpp:25:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             int x; scanf("%d", &x);
                    ~~~~~^~~~~~~~~~

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2 ms 252 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2 ms 248 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 0 ms 380 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2 ms 376 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2 ms 376 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -