oj.uz

Submission #832321

# Submission time Handle Problem Language Result Execution time Memory
832321 2023-08-21T08:56:30 Z radaiosm7 Inside information (BOI21_servers) C++
2.5 / 100
 188 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
int n, k, i, a, b;
char quer;
bitset<120005> bts[120005];

int main() {
  scanf("%d%d", &n, &k);
  for (i=1; i <= n; ++i) bts[i].set(i);

  for (i=1; i <= n+k-1; ++i) {
    scanf("\n%c", &quer);

    if (quer == 'S') {
      scanf("%d%d", &a, &b);
      bts[a] = bts[a]|bts[b];
      bts[b] = bts[a];
    }

    else if (quer == 'Q') {
      scanf("%d%d", &a, &b);
      if (bts[a][b]) printf("yes\n");
      else printf("no\n");
    }

    else {
      scanf("%d", &a);
      printf("0\n");
    }
  }
}

Compilation message

servers.cpp: In function 'int main()':
servers.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%d%d", &n, &k);
      |   ~~~~~^~~~~~~~~~~~~~~~
servers.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     scanf("\n%c", &quer);
      |     ~~~~~^~~~~~~~~~~~~~~
servers.cpp:17:12: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |       scanf("%d%d", &a, &b);
      |       ~~~~~^~~~~~~~~~~~~~~~
servers.cpp:23:12: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |       scanf("%d%d", &a, &b);
      |       ~~~~~^~~~~~~~~~~~~~~~
servers.cpp:29:12: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |       scanf("%d", &a);
      |       ~~~~~^~~~~~~~~~

Subtask #1
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2260 KB Output is correct
2 Correct 72 ms 60740 KB Output is correct
3 Correct 69 ms 60764 KB Output is correct
4 Correct 71 ms 60748 KB Output is correct
5 Correct 67 ms 60688 KB Output is correct
6 Correct 68 ms 60800 KB Output is correct

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2260 KB Output is correct
2 Correct 72 ms 60740 KB Output is correct
3 Correct 69 ms 60764 KB Output is correct
4 Correct 71 ms 60748 KB Output is correct
5 Correct 67 ms 60688 KB Output is correct
6 Correct 68 ms 60800 KB Output is correct
7 Incorrect 20 ms 2252 KB Extra information in the output file
8 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2220 KB Output is correct
2 Runtime error 188 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2220 KB Output is correct
2 Runtime error 188 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2260 KB Output is correct
2 Runtime error 170 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2260 KB Output is correct
2 Runtime error 170 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2248 KB Output is correct
2 Runtime error 162 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2248 KB Output is correct
2 Runtime error 162 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2284 KB Output is correct
2 Runtime error 169 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2284 KB Output is correct
2 Runtime error 169 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2252 KB Output is correct
2 Correct 72 ms 60760 KB Output is correct
3 Correct 64 ms 60772 KB Output is correct
4 Correct 95 ms 60748 KB Output is correct
5 Correct 70 ms 60780 KB Output is correct
6 Correct 75 ms 60748 KB Output is correct
7 Correct 21 ms 2212 KB Output is correct
8 Runtime error 155 ms 524288 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2252 KB Output is correct
2 Correct 72 ms 60760 KB Output is correct
3 Correct 64 ms 60772 KB Output is correct
4 Correct 95 ms 60748 KB Output is correct
5 Correct 70 ms 60780 KB Output is correct
6 Correct 75 ms 60748 KB Output is correct
7 Correct 21 ms 2212 KB Output is correct
8 Runtime error 155 ms 524288 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -