Submission #480835

#	Time	Username	Problem	Language	Result	Execution time	Memory
480835		Karabasan	Election (BOI18_election)	C++17	28 / 100	3057 ms	940 KiB

election

#include <bits/stdc++.h>
#define ll long long
#define fast1 ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("fma,sse,sse2,sse3,ssse3,sse4")
#pragma GCC optimize("unroll-loops")

int n,t,m;
int pre[500005];
void solve()
{
    string AAA;
    string s="G";
    cin>>n;
    cin>>AAA;
    s+=AAA;
    int q;
    scanf("%d",&q);
    while(q--)
    {
        string u=s;
        int a,b;
        cin>>a>>b;
        int c=0;
        int t=0;
        int mx=0;
        for(int i=a;i<=b;i++)
        {
            if(u[i]=='T')
                c++;
            else c--;
            if(c>0)
                {
                    u[i]='U';
                    c=0;
                    mx++;
                }

        }
        int mx2=0;
        for(int i=b;i>=a;i--)
        {
            if(u[i]=='T')
                t++;
            else if(u[i]=='C')
                t--;
                mx2=max(mx2,t);
        }
        mx+=mx2;
        cout<<mx<<endl;

    }
}
int main()
{
   // scanf("%d",&t);
    t=1;
    while(t--)
    {
        solve();
    }
    return 0;
}

Compilation message (stderr)

election.cpp: In function 'void solve()':
election.cpp:46:18: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   46 |             else if(u[i]=='C')
      |                  ^~
election.cpp:48:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   48 |                 mx2=max(mx2,t);
      |                 ^~~
election.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~

• Subtask 1: 28 / 28
• Subtask 2: 0 / 54
• Subtask 3: 0 / 18