题解 | #【模板】差分#
【模板】差分
https://www.nowcoder.com/practice/4bbc401a5df140309edd6f14debdba42
#include<iostream>
using namespace std;
const int N=1e5+10;
long long a[N],b[N];
int main(){
int n,m;
cin>>n>>m;
for(int i=1;i<=n;i++){
cin>>a[i];
b[i]=a[i]-a[i-1];
}
int l,r,c;
while(m--){
cin>>l>>r>>c;
b[l]+=c;
b[r+1]-=c;
}
for(int i=1;i<=n;i++){
b[i]+=b[i-1];
cout<<b[i]<<" ";
}
return 0;
}
