#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _31av4qi ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;
int sgn(int x){
return x>=0?1:-1;
}
int main(){
_31av4qi;
int n,q;
cin>>n>>q;
vi a(n);
rep(i,n){
cin>>a[i];
}
vi _d(n);
rep(cs,q){
int l,r,x;
cin>>l>>r>>x;
l--,r--;
crep(i,l,r+1) a[i]+=x;
crep(i,1,n) _d[i-1]=a[i]-a[i-1];
ll ans=0;
rep(i,n-1){
if(sgn(_d[i])!=sgn(_d[i+1])){
ans-=(ll)min(abs(_d[i]),abs(_d[i+1]));
}
ans+=(ll)abs(_d[i]);
}
cout<<ans<<"\n";
}
//
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |