제출 #966960

#제출 시각아이디문제언어결과실행 시간메모리
966960TheSumurazStove (JOI18_stove)C++17
100 / 100
56 ms5316 KiB
#include <bits/stdc++.h> #define int long long using namespace std; int const siz = 100002; signed main() { int n,k; cin>>n>>k; int a[n+1]; vector<pair<int,int>>v; v.push_back({1e10,1}); for (int i = 1; i<=n; i++) { cin>>a[i]; if (i>=2) { v.push_back({a[i]-a[i-1],i}); } } vector<int>ind; sort(v.rbegin(),v.rend()); for (int i = 0; i<k; i++) { ind.emplace_back(v[i].second); } long long cem = 0,point = 1; sort(ind.begin(),ind.end()); for (int i = 0; i<ind.size()-1; i++) { while (ind[i]+1!=ind[i+1]) { ind[i]++; } cem+=a[ind[i]]-a[point]+1; point = ind[i]+1; } cem+=a[n]-a[point]+1; cout<<cem; }

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:24:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for (int i = 0; i<ind.size()-1; i++) {
      |                     ~^~~~~~~~~~~~~
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