이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
#define Baytoro_Mayrambekov void solve()
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define int long long
#define endl '\n'
const int INF=1e18;
void fopn(string name){
freopen((name+".in").c_str(),"r",stdin);
freopen((name+".out").c_str(),"w",stdout);
}
int binpow(int a,int n){
if(n==0)
return 1;
if(n%2==1)
return binpow(a, n-1)*a;
else{
int b=binpow(a, n/2);
return b*b;
}
}
int a,b,c,n,m,i,j,k,x,y,cnt=0,sum=0,res=0;
Baytoro_Mayrambekov{
cin>>n;
vector<int> vec(n+2),pref(n+2),suf(n+2);
vec[0]=-INF;
vec[n+1]=-INF;
for(i=1;i<=n;i++){
cin>>vec[i];
}
for(i=1;i<=n;i++){
pref[i]=pref[i-1]+max(vec[i-1]-vec[i]+1,0ll);
}
for(i=n;i>0;i--){
suf[i]=suf[i+1]+max(vec[i+1]-vec[i]+1,0ll);
}
res=1e18;
for(i=1;i<=n;i++)
res=min(res,max(pref[i],suf[i]));
cout<<res<<endl;
}
main(){
ios;
int T=1;
//cin>>T;
while(T--){
solve();
}
}
컴파일 시 표준 에러 (stderr) 메시지
Main.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
47 | main(){
| ^~~~
Main.cpp: In function 'void fopn(std::string)':
Main.cpp:14:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | freopen((name+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:15:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | freopen((name+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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