提交记录 #45725

编号	题目	状态	分数	总时间	内存	代码 / 答案文件	提交者	提交时间
#45725	#1020. jwp的采购之旅	Compile Error	0	0 ms	0 K	C++ 11 / 343 B	经济99-刘雨泽	2020-08-05 9:17:32

显示原始代码

#include <iostream>
using namespace std;
int a[100001];
int main() {
    int n, m;
    scanf("%d%d", &n, &m);
    for (int i = 0; i < n; i++) scanf("%d", &a[i]);
    sort(a, a + n);
    int j = 0;
    for (int i = 0; i < n; i++) {
        m -= a[i];
        j++;
        if (m <= 0)
            break;
    }
    cout << j--;
    return 0;
}

编译信息

/sandbox/1/a.cpp: In function 'int main()':
/sandbox/1/a.cpp:9:5: error: 'sort' was not declared in this scope
     sort(a,a+n);
     ^~~~
/sandbox/1/a.cpp:9:5: note: suggested alternative: 'qsort'
     sort(a,a+n);
     ^~~~
     qsort
/sandbox/1/a.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
/sandbox/1/a.cpp:8:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[i]);
         ~~~~~^~~~~~~~~~~~