제출 #633556

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
633556		Ahmed57	지구 온난화 (NOI13_gw)	C++14	0 / 40	908 ms	65536 KiB

gw

#include <bits/stdc++.h>

using namespace std;
long long n;
long long pre[10000005];
vector<long long> v,w;
map<long long,long long> sa,cmp;
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n;
    v.push_back(2);
    for(int i = 0;i<n;i++){
        long long x;cin>>x;
        w.push_back(x);
        sa[x]++;
    }
    long long z = 1;
    for(auto i:sa){
        cmp[i.first] = ++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";
}

컴파일 시 표준 에러 (stderr) 메시지

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:21:9: warning: unused variable 'pre' [-Wunused-variable]
   21 |     int pre[z*2+5]  = {0};
      |         ^~~
gw.cpp:32:24: warning: unused variable 'cur' [-Wunused-variable]
   32 |     long long ma = 0 , cur = 0;
      |                        ^~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 10
• Subtask 5: 0 / 11