oj.uz

Submission #577524

# Submission time Handle Problem Language Result Execution time Memory
577524 2022-06-15T03:46:05 Z temporary_juggernaut Fancy Fence (CEOI20_fancyfence) C++14
30 / 100
 1000 ms 1216 KB 
#include<bits/stdc++.h>
#define fr first
#define sc second
using namespace std;
typedef long long ll;
typedef long double ld;
#define USING_ORDERED_SET 0
#if USING_ORDERED_SET
#include<bits/extc++.h>
using namespace __gnu_pbds;
template<class T>using ordered_set=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
#endif
template<class T>void umax(T &a,T b){if(a<b)a=b;}
template<class T>void umin(T &a,T b){if(b<a)a=b;}
#ifdef juggernaut
    #define printl(args...) printf(args)
#else
    #define printl(args...) 0
#endif
int h[100005];
int w[100005];
int n;
ll mod=1e9+7;
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++)scanf("%d",&h[i]);
	for(int i=1;i<=n;i++)scanf("%d",&w[i]);
	ll ans=0;
	for(int i=1;i<=n;i++){
		ll mn=h[i];
		ll cn=w[i];
		ans+=(((cn*(cn+1)/2ll)%mod)*((mn*(mn+1)/2ll)%mod))%mod;
		ans%=mod;
		for(int j=i+1;j<=n;j++){
			umin(mn,1ll*h[j]);
			ll cn2=w[j];
			ans+=(((cn*cn2)%mod)*((mn*(mn+1)/2ll)%mod))%mod;
			ans%=mod;
		}
	}
	cout<<ans;
}

Compilation message

fancyfence.cpp: In function 'int main()':
fancyfence.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
fancyfence.cpp:26:28: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |  for(int i=1;i<=n;i++)scanf("%d",&h[i]);
      |                       ~~~~~^~~~~~~~~~~~
fancyfence.cpp:27:28: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |  for(int i=1;i<=n;i++)scanf("%d",&w[i]);
      |                       ~~~~~^~~~~~~~~~~~

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 18 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 13 ms 320 KB Output is correct
3 Execution timed out 1076 ms 1216 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 212 KB Output is correct
2 Execution timed out 1078 ms 340 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 16 ms 212 KB Output is correct
3 Execution timed out 1086 ms 340 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 18 ms 316 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 13 ms 340 KB Output is correct
9 Correct 16 ms 340 KB Output is correct
10 Correct 17 ms 336 KB Output is correct
11 Correct 1 ms 316 KB Output is correct
12 Correct 4 ms 316 KB Output is correct
13 Correct 18 ms 212 KB Output is correct
14 Correct 17 ms 344 KB Output is correct
15 Correct 16 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 18 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 16 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 12 ms 212 KB Output is correct
11 Execution timed out 1077 ms 1216 KB Time limit exceeded
12 Halted 0 ms 0 KB -