oj.uz

Submission #875537

# Submission time Handle Problem Language Result Execution time Memory
875537 2023-11-20T02:37:59 Z reginox Nizin (COCI16_nizin) C++17
100 / 100
 50 ms 10216 KB 
#include <bits/stdc++.h>
#define ll long long
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define sp << " "
#define task ""
using namespace std;
const ll maxn = 1e6+1;
ll n, a[maxn], l, r, cnt;
int main(){
	if(fopen(task".inp","r")){
		freopen(task".inp","r",stdin);
		freopen(task".out","w",stdout);
	}
	faster
	cin >> n;
	for(ll i = 1; i <= n; i++) cin >> a[i];
	l=1, r=n;
	while(l<=r){
		while(l<=r && a[l]<a[r]){
			a[l+1]+=a[l];
			l++;
			cnt++;
		}
		if(a[l]==a[r]) l++,r--;
		while(l<=r && a[l]>a[r]){
			a[r-1]+=a[r];
			r--;
			cnt++;
		}
		if(a[l]==a[r]) l++,r--;
	}
	cout << cnt;
	return 0;
}

Compilation message

nizin.cpp: In function 'int main()':
nizin.cpp:11:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |   freopen(task".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
nizin.cpp:12:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   freopen(task".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 460 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2648 KB Output is correct
2 Correct 5 ms 2652 KB Output is correct
3 Correct 5 ms 2652 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 5372 KB Output is correct
2 Correct 18 ms 5468 KB Output is correct
3 Correct 21 ms 5764 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 8300 KB Output is correct
2 Correct 40 ms 8316 KB Output is correct
3 Correct 50 ms 9312 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 9812 KB Output is correct
2 Correct 42 ms 10064 KB Output is correct
3 Correct 48 ms 10216 KB Output is correct