Submission #3310956
Source Code Expand
#include<cstdio> #include<algorithm> using namespace std; int n,k,a[55]; int main() { scanf("%d%d",&n,&k);for(int i=1;i<=n;++i) scanf("%d",&a[i]); sort(a+1,a+1+n);int cnt=0; for(int i=n;i;--i) {cnt+=a[i];if(cnt>=k) {printf("%d\n",n-i+1);return 0;}} printf("-1\n"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Credits |
User | luogu_bot3 |
Language | C++ (GCC 5.4.1) |
Score | 100 |
Code Size | 294 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k);for(int i=1;i<=n;++i) scanf("%d",&a[i]); ^ ./Main.cpp:7:61: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k);for(int i=1;i<=n;++i) scanf("%d",&a[i]); ^
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
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All | corner_10, corner_11, corner_12, corner_13, max_14, random_00, random_01, random_02, random_03, random_04, random_05, random_06, random_07, random_08, random_09, sample_00, sample_01, sample_02 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
corner_10 | AC | 1 ms | 128 KB |
corner_11 | AC | 0 ms | 128 KB |
corner_12 | AC | 0 ms | 128 KB |
corner_13 | AC | 1 ms | 128 KB |
max_14 | AC | 1 ms | 128 KB |
random_00 | AC | 1 ms | 128 KB |
random_01 | AC | 1 ms | 128 KB |
random_02 | AC | 1 ms | 128 KB |
random_03 | AC | 1 ms | 128 KB |
random_04 | AC | 1 ms | 128 KB |
random_05 | AC | 1 ms | 128 KB |
random_06 | AC | 1 ms | 128 KB |
random_07 | AC | 1 ms | 128 KB |
random_08 | AC | 1 ms | 128 KB |
random_09 | AC | 1 ms | 128 KB |
sample_00 | AC | 1 ms | 128 KB |
sample_01 | AC | 1 ms | 128 KB |
sample_02 | AC | 1 ms | 128 KB |