Submission #369925

#	Time	Username	Problem	Language	Result	Execution time	Memory
369925		FatihSolak	Kvalitetni (COCI16_kvalitetni)	C++17	120 / 120	8 ms	2560 KiB

kvalitetni

#include <bits/stdc++.h>
#define N 1000005
#define K 55
using namespace std;
int arr[K];
int c[N];
string s;
long double calc(int l,int r){
    if(l +2 == r){
        return arr[1];
    }
    bool carp = 0;
    l++;
    if(c[l] != r && s[c[l]+1] == '*')carp = 1;
    vector<long double> nums;
    while(l < r){
        nums.push_back(calc(l,c[l]));
        l = c[l]+2;
    }
    sort(nums.begin(),nums.end());
    if(carp){
        long double ret = 1;
        long double remain = arr[nums.size()];
        for(int i=0;i<nums.size();i++){
            long double now = min(nums[i],(remain)/(nums.size()-i));
            ret *= now;
            remain -= now;
        }
        return ret;
    }
    else{
        long double ret = 0;
        for(auto u:nums)ret+=u;
        return min(ret,(long double)arr[nums.size()]);
    }
}
void solve(){
    int k;
    cin >> k;
    for(int i=1;i<=k;i++){
        cin >> arr[i];
    }
    cin >> s;
    stack<int> st;
    for(int i=0;i<s.length();i++){
        if(s[i] == '('){
            st.push(i);
        }
        if(s[i] == ')'){
            c[st.top()] = i;
            st.pop();
        }
    }
    cout << fixed << setprecision(6) << calc(0,s.length()-1);
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    #ifdef Local
    freopen("in.txt","r",stdin);
    freopen("out.txt","w",stdout);
    #endif
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    #ifdef Local
    cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

Compilation message (stderr)

kvalitetni.cpp: In function 'long double calc(int, int)':
kvalitetni.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         for(int i=0;i<nums.size();i++){
      |                     ~^~~~~~~~~~~~
kvalitetni.cpp: In function 'void solve()':
kvalitetni.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(int i=0;i<s.length();i++){
      |                 ~^~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 12 / 12
• Subtask 3: 12 / 12
• Subtask 4: 12 / 12
• Subtask 5: 12 / 12
• Subtask 6: 12 / 12
• Subtask 7: 12 / 12
• Subtask 8: 12 / 12
• Subtask 9: 12 / 12
• Subtask 10: 12 / 12