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Submission #733810

# Submission time Handle Problem Language Result Execution time Memory
733810 2023-05-01T10:35:13 Z vjudge1 Lightning Rod (NOI18_lightningrod) C++17
0 / 100
 1813 ms 78240 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;
int main() {
	int t, n, m, ans, i, z;
	
	cin >> n;
	int x[n + 2], y[n + 2];
	cin >> x[1] >> y[1];
	ans = 1;
	for ( i = 2; i <= n; i ++) {
		scanf("%d %d",&x[i], &y[i]);
		if ( x[i] - x[i - 1] < y[i]- y[i - 1]) ans ++;
	}
	cout << ans << endl;
}

Compilation message

lightningrod.cpp: In function 'int main()':
lightningrod.cpp:6:6: warning: unused variable 't' [-Wunused-variable]
    6 |  int t, n, m, ans, i, z;
      |      ^
lightningrod.cpp:6:12: warning: unused variable 'm' [-Wunused-variable]
    6 |  int t, n, m, ans, i, z;
      |            ^
lightningrod.cpp:6:23: warning: unused variable 'z' [-Wunused-variable]
    6 |  int t, n, m, ans, i, z;
      |                       ^
lightningrod.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |   scanf("%d %d",&x[i], &y[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1813 ms 76152 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1720 ms 78240 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1813 ms 76152 KB Output isn't correct
2 Halted 0 ms 0 KB -