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Submission #633573

# Submission time Handle Problem Language Result Execution time Memory
633573 2022-08-22T18:39:16 Z Ahmed57 Global Warming (NOI13_gw) C++14
19 / 40
 1000 ms 65536 KB 
#include <bits/stdc++.h>

using namespace std;
long long n;
long long pre[2000005];
vector<long long> v,w,s;
map<long long,long long> cmp;
int main(){
    cin>>n;
    v.push_back(2);
    for(int i = 0;i<n;i++){
        long long x;cin>>x;
        w.push_back(x);
        s.push_back(x);
    }
    sort(s.begin(),s.end());
    long long z = 1;
    for(int i = 0;i<n;i++){
        if(i&&s[i]==s[i-1])z--;
        cmp[s[i]] = ++z;
    }
    for(int i = 0;i<w.size();i++){
        v.push_back(cmp[w[i]]*2);
    }
    for(int i = 0;i<v.size()-1;i++){
        if(v[i]<v[i+1]){
            pre[v[i+1]]--;
            pre[v[i]]++;
        }
    }
    long long ma = 0 , cur = 0;
    for(int i = 2;i<=z*2;i++){
        cur+=pre[i];
        ma = max(ma,cur);
    }
    cout<<ma<<"\n";
}

Compilation message

gw.cpp: In function 'int main()':
gw.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int i = 0;i<w.size();i++){
      |                   ~^~~~~~~~~
gw.cpp:25:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 0;i<v.size()-1;i++){
      |                   ~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 336 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 3348 KB Output is correct
2 Correct 23 ms 3392 KB Output is correct
3 Correct 22 ms 3396 KB Output is correct
4 Correct 26 ms 3444 KB Output is correct
5 Correct 24 ms 3392 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 10592 KB Output is correct
2 Correct 61 ms 10508 KB Output is correct
3 Correct 96 ms 10604 KB Output is correct
4 Correct 95 ms 10504 KB Output is correct
5 Correct 91 ms 10648 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 601 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1097 ms 64024 KB Time limit exceeded
2 Halted 0 ms 0 KB -