N = input()
sor = input()
th, j, h = 1, [], []
def osszeg(a, b):
return a*b
for i in sor.strip().split(' '):
j += [int(i)]
h += [th]
th *= 10
s = sum(map(osszeg, j, h))
h = len(str(s))-1
print((s//10**h)*10**h)
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 18ms | 2916 KiB | ||||
| 2 | Accepted | 17ms | 2916 KiB | ||||
| 3 | Accepted | 17ms | 2960 KiB | ||||
| subtask2 | 25/25 | ||||||
| 4 | Accepted | 17ms | 2916 KiB | ||||
| 5 | Accepted | 17ms | 3044 KiB | ||||
| 6 | Accepted | 17ms | 3048 KiB | ||||
| 7 | Accepted | 17ms | 3064 KiB | ||||
| 8 | Accepted | 17ms | 2916 KiB | ||||
| subtask3 | 26/26 | ||||||
| 9 | Accepted | 17ms | 2920 KiB | ||||
| 10 | Accepted | 17ms | 2916 KiB | ||||
| 11 | Accepted | 18ms | 3044 KiB | ||||
| 12 | Accepted | 18ms | 2972 KiB | ||||
| 13 | Accepted | 18ms | 2936 KiB | ||||
| 14 | Accepted | 17ms | 3064 KiB | ||||
| 15 | Accepted | 17ms | 3064 KiB | ||||
| 16 | Accepted | 17ms | 2916 KiB | ||||
| subtask4 | 19/19 | ||||||
| 17 | Accepted | 19ms | 3380 KiB | ||||
| 18 | Accepted | 19ms | 3300 KiB | ||||
| 19 | Accepted | 18ms | 3428 KiB | ||||
| 20 | Accepted | 19ms | 3436 KiB | ||||
| subtask5 | 0/30 | ||||||
| 21 | Runtime error | 345ms | 262148 KiB | ||||
| 22 | Runtime error | 345ms | 262148 KiB | ||||
| 23 | Runtime error | 298ms | 262148 KiB | ||||
| 24 | Runtime error | 345ms | 262148 KiB | ||||
| 25 | Runtime error | 326ms | 262148 KiB | ||||
| 26 | Runtime error | 340ms | 262148 KiB | ||||
| 27 | Runtime error | 340ms | 262148 KiB | ||||
| 28 | Accepted | 17ms | 2916 KiB | ||||