Submission #47763

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
47763	2018-05-07 05:51:46	daniel_02	Security Gate (JOI18_security_gate)	C++17	12 / 100	5017 ms	860 KiB

securitygate

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#include <bits/stdc++.h>
#define pb push_back
using namespace std;
const int N = 305;
int ans, pr[N];
vector<int>dam;
bool ch(string s)
{
    int sm = 0;
    for (int i = 0; i < s.size(); i++)
    {
        if (s[i] == '(')
            sm ++;
        else
            sm--;
        if (sm < 0)
        {
            return 0;
        }
    }
    if (sm == 0)return 1;
    return 0;
}
 
 
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Compilation message (stderr)

securitygate.cpp: In function 'bool ch(std::__cxx11::string)':
securitygate.cpp:15:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.size(); i++)
                     ~~^~~~~~~~~~
securitygate.cpp: In function 'bool check(std::__cxx11::string)':
securitygate.cpp:40:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.size(); i++)
                     ~~^~~~~~~~~~
securitygate.cpp:42:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = i; j < s.size(); j++)
                         ~~^~~~~~~~~~
securitygate.cpp: At global scope:
securitygate.cpp:58:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
securitygate.cpp: In function 'int main()':
securitygate.cpp:69:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.size(); i++)
                     ~~^~~~~~~~~~
securitygate.cpp:79:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < dam.size(); i++)
                         ~~^~~~~~~~~~~~

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