Submission #537560

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
537560	2022-03-15 08:32:21	jamezzz	Security Gate (JOI18_security_gate)	C++17	12 / 100	5092 ms	300 KiB

securitygate

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#include <bits/stdc++.h>
using namespace std;
#define sf scanf
#define pf printf
int n,x,pos[25];
char s[105];
int main(){
  sf("%d",&n);
  assert(n<=100);
  sf(" %s",&s);
  for(int i=0;i<n;++i){
    if(s[i]=='x'){
      pos[x]=i;
      ++x;
    }
  }
  assert(x<=20);
  int ans=0;
  for(int i=0;i<(1<<x);++i){
    for(int j=0;j<x;++j){
      if(i&(1<<j))s[pos[j]]=')';
      else s[pos[j]]='(';
    }
    bool val=false;
    for(int i=0;i<n;++i){
      for(int j=0;j<n;++j){
        int cnt=0;bool pos=true;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

securitygate.cpp: In function 'int main()':
securitygate.cpp:13:8: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[105]' [-Wformat=]
   13 |  sf(" %s",&s);
      |       ~^  ~~
      |        |  |
      |        |  char (*)[105]
      |        char*
securitygate.cpp:11:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  sf("%d",&n);
      |    ^
securitygate.cpp:13:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  sf(" %s",&s);
      |    ^

• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 0 / 18
• Subtask 4: 0 / 43
• Subtask 5: 0 / 27