5 条题解
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3
#include <iostream> #include <algorithm> using namespace std; int maxx=0x3f3f3f; const int N=1e3+10; int a[N] ,sum,cnt,n; int main() { cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; } sort(a+1,a+n+1); for(int i=1;i<=n;i++) { sum=sum+(a[i]+cnt); cnt+=a[i]; } cout<<sum; return 0; }
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1
#include <math.h> #include <stack> #include <stdio.h> #include <iostream> #include <vector> #include <iomanip> #include <string.h> #include <algorithm> using namespace std; #define LL long long #define ull unsigned long long const int N = 1e3 + 10; const int INF = 0x3f3f3f3f; int n,a[N],cnt,sum; int main(void){ cin >> n; for (int i=1; i<=n; i++){ cin >> a[i]; } sort(a+1, a+n+1); for (int i=1; i<=n; i++){ sum=sum+(a[i]+cnt); cnt = cnt +a[i]; } cout << sum << endl; return 0; } ```
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-1
#include <queue> #include <math.h> #include <stack> #include <stdio.h> #include <iostream> #include <vector> #include <iomanip> #include <string.h> #include <algorithm> using namespace std; #define LL long long #define ull unsigned long long const int N = 1e3 + 10; const int INF = 0x3f3f3f3f; int a[N]; int main() { int n; cin >> n; for(int i = 0 ; i < n ; i++) cin >> a[i]; sort(a,a+n); int ans = 0; for(int i = 0 , j = n ; i < n , j > 0 ; i++ , j--) ans += a[i] * j; cout << ans << endl; return 0; }
- 1
信息
- ID
- 1004
- 时间
- 1000ms
- 内存
- 256MiB
- 难度
- 4
- 标签
- 递交数
- 548
- 已通过
- 256
- 上传者