Submission #633567

# Submission time Handle Problem Language Result Execution time Memory
633567 2022-08-22T18:18:54 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[10000005];
vector<long long> v,w,s;
map<long long,long long> sa,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;
    }
    int pre[z*2+5]  = {0};
    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:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i = 0;i<w.size();i++){
      |                   ~^~~~~~~~~
gw.cpp:26:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(int i = 0;i<v.size()-1;i++){
      |                   ~^~~~~~~~~~~
# 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 316 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 25 ms 3324 KB Output is correct
2 Correct 27 ms 3640 KB Output is correct
3 Correct 29 ms 3604 KB Output is correct
4 Correct 25 ms 3696 KB Output is correct
5 Correct 24 ms 3652 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 102 ms 10372 KB Output is correct
2 Correct 75 ms 10676 KB Output is correct
3 Correct 95 ms 10604 KB Output is correct
4 Correct 95 ms 10676 KB Output is correct
5 Correct 88 ms 10704 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 632 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1092 ms 64044 KB Time limit exceeded
2 Halted 0 ms 0 KB -