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Submission #51501

# Submission time Handle Problem Language Result Execution time Memory
51501 2018-06-18T04:34:05 Z vovinam Foehn Phenomena (JOI17_foehn_phenomena) C++14
0 / 100
 288 ms 14872 KB 
#include<bits/stdc++.h>
using namespace std;
int res,a[200005],b[200005],s,t;
int trans(int a){
	if(a<0){
		return a*s;
	}
	return a*t;
}
signed main(){
	int n,q;
	cin>>n>>q>>s>>t;
	for(int i=0;i<=n;i++){
		cin>>a[i];
	}
	for(int i=1;i<=n;i++){
		b[i]=(a[i-1]-a[i]);
		res+=trans(b[i]);
	}
	for(int i=1;i<=q;i++){
		int l,r,x;
		scanf("%d%d%d",&l,&r,&x);
		if(l>0){
			res-=trans(b[l]);
			b[l]-=x;
			res+=trans(b[l]);
		}
		if(r<n){
			res-=trans(b[r+1]);
			b[r+1]+=x;
			res+=trans(b[r+1]);
		}
		printf("%I64d\n",res);
	}
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&l,&r,&x);
   ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Incorrect 5 ms 488 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 253 ms 14872 KB Output is correct
2 Correct 288 ms 14872 KB Output is correct
3 Incorrect 285 ms 14872 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Incorrect 5 ms 488 KB Output isn't correct
3 Halted 0 ms 0 KB -