Submission #162309

#	Time	Username	Problem	Language	Result	Execution time	Memory
162309		nvmdava	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	Compilation error	0 ms	0 KiB

foehn_phenomena

#include <bits/stdc++.h>
using namespace std;

ll a[200005], s, t, T, x;
int n, q, l, r;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>q>>s>>t;
    for(int i = 0; i <= n; i++) 
    	 cin>>a[i];
    for(int i = n; i > 0; i--){
    	a[i] -= a[i - 1];
    	T += (a[i] > 0 ? s : t) * -a[i];
    }


    while(q--){
    	cin>>l>>r>>x;
    	++r;
    	T -= (a[l] > 0 ? s : t) * -a[l];
    	a[l] += x;
    	T += (a[l] > 0 ? s : t) * -a[l];
    	if(r <= n){
    		T -= (a[r] > 0 ? s : t) * -a[r];
    		a[r] -= x;
    		T += (a[r] > 0 ? s : t) * -a[r];
    	}
    	cout<<T<<'\n';
    }
}

Compilation message (stderr)

foehn_phenomena.cpp:4:1: error: 'll' does not name a type
 ll a[200005], s, t, T, x;
 ^~
foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:12:16: error: 's' was not declared in this scope
     cin>>n>>q>>s>>t;
                ^
foehn_phenomena.cpp:12:19: error: 't' was not declared in this scope
     cin>>n>>q>>s>>t;
                   ^
foehn_phenomena.cpp:14:12: error: 'a' was not declared in this scope
       cin>>a[i];
            ^
foehn_phenomena.cpp:16:6: error: 'a' was not declared in this scope
      a[i] -= a[i - 1];
      ^
foehn_phenomena.cpp:17:6: error: 'T' was not declared in this scope
      T += (a[i] > 0 ? s : t) * -a[i];
      ^
foehn_phenomena.cpp:22:17: error: 'x' was not declared in this scope
      cin>>l>>r>>x;
                 ^
foehn_phenomena.cpp:24:6: error: 'T' was not declared in this scope
      T -= (a[l] > 0 ? s : t) * -a[l];
      ^
foehn_phenomena.cpp:24:12: error: 'a' was not declared in this scope
      T -= (a[l] > 0 ? s : t) * -a[l];
            ^