Submission #376950

#	Time	Username	Problem	Language	Result	Execution time	Memory
376950		joelau	Bigger segments (IZhO19_segments)	C++14	0 / 100	1 ms	492 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];
    }
    ans[0] = 1, sz[0] = A[1];
    for (int i = 1, j = 0; i < N; ++i) {
        while (j < i && sz[j] <= A[i+1] - A[j+1]) j++;
        if (j == 0) ans[i] = 1, sz[i] = A[i+1];
        else ans[i] = ans[j-1]+1, sz[i] = A[i+1] - A[j];
    }
    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: 0 / 13
• Subtask 2: 0 / 14
• Subtask 3: 0 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27