Submission #633578

# Submission time Handle Problem Language Result Execution time Memory
633578 2022-08-22T18:44:02 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> w,s;
map<long long,long long> cmp;
int main(){
    cin>>n;
    int la = 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++){
        if(la<cmp[w[i]]*2){
            pre[la]++;
            pre[cmp[w[i]]*2]--;
        }
        la = cmp[w[i]]*2;
    }
    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++){
      |                   ~^~~~~~~~~
# 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 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 23 ms 2076 KB Output is correct
2 Correct 24 ms 1992 KB Output is correct
3 Correct 23 ms 2012 KB Output is correct
4 Correct 22 ms 1992 KB Output is correct
5 Correct 22 ms 1992 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 114 ms 9572 KB Output is correct
2 Correct 71 ms 9636 KB Output is correct
3 Correct 140 ms 9584 KB Output is correct
4 Correct 126 ms 9636 KB Output is correct
5 Correct 112 ms 9660 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 647 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1096 ms 60568 KB Time limit exceeded
2 Halted 0 ms 0 KB -