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Submission #830471

# Submission time Handle Problem Language Result Execution time Memory
830471 2023-08-19T07:01:01 Z vjudge1 Safety (NOI18_safety) C++17
0 / 100
 36 ms 2260 KB 
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std;
const int nmax = 200002;
ll S[nmax], dup[nmax];
int main() {
    int N;
    ll H;
    cin >> N >> H;
    for(int i=1; i<=N; i++) {
        cin >> S[i];
        dup[i]=S[i];
    }
    int idx=2;
    ll sem;
    ll cost = 0;
    while(idx<=N) {
        if(abs(dup[idx]-dup[idx-1])>H) {
            sem = abs(dup[idx]-dup[idx-1])-H;
            cost+=sem;
            if(dup[idx] > dup[idx-1]) {
                dup[idx]-=sem;
            }
            if(dup[idx] < dup[idx-1]) {
                dup[idx]+=sem;
            }
        }
        idx++;
    }
    cout << cost << endl;
    return 0;
}

Subtask #1
0 / 3.0

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

Subtask #2
0 / 4.0

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

Subtask #3
0 / 9.0

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

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 2260 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

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

Subtask #6
0 / 11.0

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

Subtask #7
0 / 11.0

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

Subtask #8
0 / 22.0

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

Subtask #9
0 / 29.0

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