Submission #497942

#	Time	Username	Problem	Language	Result	Execution time	Memory
497942		Aktan	Divide and conquer (IZhO14_divide)	C++17	0 / 100	1 ms	204 KiB

divide

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define int long long
#define ft first
#define sc second
using namespace std;
const int mod=1e9+7,INF=1e17;
 
int a[100005],b[100005],c[100005];
main(){
   int n,ans=0,res=0;
   cin >> n;
   for(int i=1;i<=n;i++){
   	cin >> a[i] >> b[i] >> c[i];
   }
   for(int i=n;i>1;i--){
   	a[i-1]+=max((int)0,c[i]-(a[i]-a[i-1]));
   }
   int tot=0;
    int w=0;
   for(int i=1;i<=n;i++){
   	if(i==1){
   		tot=b[i];
   		continue;
	   }
	   if(a[i]-a[i-1]<=c[i-1]+c[i]){
	   	a[i]=a[i-1];
	   	c[i]+=c[i-1];
	   	b[i]+=b[i-1];
	   }
	   tot=max(tot,b[i]);
   } 
   cout << tot;
   
}

Compilation message (stderr)

divide.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~
divide.cpp: In function 'int main()':
divide.cpp:14:10: warning: unused variable 'ans' [-Wunused-variable]
   14 |    int n,ans=0,res=0;
      |          ^~~
divide.cpp:14:16: warning: unused variable 'res' [-Wunused-variable]
   14 |    int n,ans=0,res=0;
      |                ^~~
divide.cpp:23:9: warning: unused variable 'w' [-Wunused-variable]
   23 |     int w=0;
      |         ^

• Subtask 1: 0 / 17
• Subtask 2: 0 / 31
• Subtask 3: 0 / 52