Submission #376951

#	Time	Username	Problem	Language	Result	Execution time	Memory
376951		joelau	Bigger segments (IZhO19_segments)	C++14	37 / 100	1590 ms	2012 KiB

segments

#include <bits/stdc++.h>
using namespace std;

int N,ans[500000];
long long A[500001], sz[500000];

int main() {
    scanf("%d", &N);
    A[0] = 0;
    for (int i = 1; i <= N; ++i) {
        scanf("%lld", &A[i]);
        A[i] += A[i-1];
    }
    for (int i = 0; i < N; ++i) {
        ans[i] = 1, sz[i] = A[i+1];
        for (int j = i-1; j >= 0; --j) if (sz[j] <= A[i+1] - A[j+1]) {
            ans[i] = ans[j]+1, sz[i] = A[i+1] - A[j+1];
            break;
        }
    }
    printf("%d", ans[N-1]);

    return 0;
}

Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |     scanf("%d", &N);
      |     ~~~~~^~~~~~~~~~
segments.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |         scanf("%lld", &A[i]);
      |         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27