oj.uz

Submission #313867

# Submission time Handle Problem Language Result Execution time Memory
313867 2020-10-17T07:44:02 Z BeanZ Temperature (POI11_tem) C++14
74 / 100
 268 ms 39288 KB 
// I_Love_LPL
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
const int N = 1e6 + 5;
ll x[N], y[N];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    if (fopen("A.inp", "r")){
        freopen("test.inp", "r", stdin);
        freopen("test.out", "w", stdout);
    }
    ll n;
    cin >> n;
    for (int i = 1; i <= n; i++){
        cin >> y[i] >> x[i];
    }
    deque<ll> dq;
    ll ans = 1, pos = 0;
    for (int i = 1; i <= n; i++){
        while (dq.size()){
            if (y[i] >= y[dq.back()]) dq.pop_back();
            else break;
        }
        dq.push_back(i);
        while (dq.size()){
            if (y[dq.front()] > x[i]){
                pos = dq.front();
                dq.pop_front();
            } else break;
        }
        ans = max(ans, i - pos);
    }
    cout << ans;
}
/*
*/

Compilation message

tem.cpp: In function 'int main()':
tem.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   12 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
tem.cpp:13:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   13 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 3 ms 640 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 10488 KB Output is correct
2 Correct 96 ms 12204 KB Output is correct
3 Correct 101 ms 13560 KB Output is correct

Subtask #5
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 22264 KB Output is correct
2 Correct 173 ms 24056 KB Output is correct
3 Correct 186 ms 26232 KB Output is correct

Subtask #6
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 208 ms 28024 KB Output is correct
2 Correct 181 ms 24824 KB Output is correct
3 Correct 219 ms 31864 KB Output is correct

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 234 ms 32504 KB Output is correct
2 Correct 183 ms 25464 KB Output is correct
3 Runtime error 262 ms 39288 KB Memory limit exceeded

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 30200 KB Output is correct
2 Correct 174 ms 24312 KB Output is correct
3 Correct 180 ms 24824 KB Output is correct

Subtask #9
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 132 ms 18528 KB Output is correct
2 Correct 131 ms 18680 KB Output is correct
3 Correct 135 ms 18588 KB Output is correct

Subtask #10
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 17272 KB Output is correct
2 Correct 136 ms 19192 KB Output is correct

Subtask #11
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 193 ms 26752 KB Output is correct
2 Runtime error 268 ms 38392 KB Memory limit exceeded

Subtask #12
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 25720 KB Output is correct
2 Runtime error 230 ms 34296 KB Memory limit exceeded