Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

// I/O
type Scanner struct {
	sc *bufio.Scanner
}

func NewScanner() *Scanner {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)
	sc.Buffer(make([]byte, 1024), int(1e+9))
	return &Scanner{sc}
}

func (s *Scanner) nextStr() string {
	s.sc.Scan()
	return s.sc.Text()
}

func (s *Scanner) nextInt() int {
	i, e := strconv.Atoi(s.nextStr())
	if e != nil {
		panic(e)
	}
	return i
}

func (s *Scanner) nextFloat() float64 {
	f, e := strconv.ParseFloat(s.nextStr(), 64)
	if e != nil {
		panic(e)
	}
	return f
}

func (s *Scanner) nextRuneSlice() []rune {
	return []rune(s.nextStr())
}

func (s *Scanner) nextIntSlice(n int) []int {
	res := make([]int, n)
	for i := 0; i < n; i++ {
		res[i] = s.nextInt()
	}
	return res
}

func (s *Scanner) nextFloatSlice(n int) []float64 {
	res := make([]float64, n)
	for i := 0; i < n; i++ {
		res[i] = s.nextFloat()
	}
	return res
}

// Arithmetic
func max(nums ...int) int {
	m := nums[0]
	for _, i := range nums {
		if m < i {
			m = i
		}
	}
	return m
}

func min(nums ...int) int {
	m := nums[0]
	for _, i := range nums {
		if m > i {
			m = i
		}
	}
	return m
}

func abs(x int) int {
	if x > 0 {
		return x
	}
	return -x
}

func pow(x, y int) int {
	res := 1
	for i := 0; i < y; i++ {
		res *= x
	}
	return res
}

func ceil(a, b int) int {
	if a%b == 0 {
		return a / b
	} else {
		return a/b + 1
	}
}

// Sort
type RuneSlice []rune

func (a RuneSlice) Len() int           { return len(a) }
func (a RuneSlice) Less(i, j int) bool { return a[i] < a[j] }
func (a RuneSlice) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }

// Main
func main() {
	sc := NewScanner()
	wtr := bufio.NewWriter(os.Stdout)
	N := sc.nextInt()
	p := make([]int, N+1)
	dp := make([][]int, N+1)
	for i, _ := range dp {
		dp[i] = make([]int, N+1)
	}
	for i := 0; i < N; i++ {
		p[i] = sc.nextInt()
		p[i+1] = sc.nextInt()
	}
	for i := 1; i <= N; i++ {
		dp[i][i] = 0
	}
	for l := 2; l <= N; l++ {
		for i := 1; i <= N-l+1; i++ {
			j := i + l - 1
			dp[i][j] = 1 << 60
			for k := i; k <= j-1; k++ {
				dp[i][j] = min(dp[i][j], dp[i][k]+dp[k+1][j]+p[i-1]*p[k]*p[j])
			}
		}
	}

	fmt.Fprintln(wtr, dp[1][N])
	wtr.Flush()
}

Python: import math
n = int(input())
p1 = []
p = []
m = [[] for i in range(n)]
for i in range (n):
    p1.append(list(map(int, input().split())))
    p.append(int(p1[i][0]))
    for j in range(n):
        m[i].append(0)

p.append(int(p1[i][1]))

for l in range(2, n + 1):
    for i in range(n - l + 1):
        j = i + l - 1
        m[i][j] = 10000000000000000
        for k in range(i, j):
            m[i][j] = min(m[i][j], m[i][k] + m[k + 1][j] + p[i - 1] * p[k] * p[j])
print(m[0][5])

Python: def s():
 n=int(input())+1
 e=[input().split()for _  in[0]*~-n]
 p=[int(e[0][0])]+list(int(x[1])for x in e)
 m=[[0]*n for _ in[0]*n]
 for i in range(n):
  for r in range(n-i-1):
   c=r+i+1
   for j in range(r+1,c):
    x=m[r][j]+m[j][c]+p[r]*p[j]*p[c]
    if 1>m[r][c]or m[r][c]>x:m[r][c]=x
 print(m[r][c])
if'__main__'==__name__:s()

Python: def get_multi_num(M):
    D = {}
    def get_multi_num_core(M):
        if len(M) < 2: return 0
        key = tuple(M)
        if key in D: return D[key]
        result = [None]*(len(M)-1)
        for i in range(1,len(M)):
            result[i-1] = get_multi_num_core(M[:i]) + \
                          get_multi_num_core(M[i:]) + \
                          M[0][0]*M[i][0]*M[-1][1]
        D[key] = min(result)
        return D[key]
    return get_multi_num_core(M)
        
if __name__=='__main__':
    n = int(input())
    M = [None]*n
    for i in range(n):
        M[i] = tuple(map(int,input().split()))
    print(get_multi_num(M))

Python: import math
import copy
import sys
import fractions
# import numpy as np
# import statistics
import decimal
import heapq
import collections
import itertools
import bisect

# from operator import mul

sys.setrecursionlimit(100001)


# input = sys.stdin.readline
# sys.setrecursionlimit(10**6)

# ===FUNCTION===

def getInputIntList():
    outputDataList = []
    inputData = input().split()
    outputDataList = [int(n) for n in inputData]

    return outputDataList


def getSomeInputInt(n):
    outputDataList = []
    for i in range(n):
        inputData = int(input())
        outputDataList.append(inputData)

    return outputDataList


def getSomeInputListInt(n):
    inputDataList = []
    outputDataList = []
    for i in range(n):
        inputData = input().split()
        inputDataList = [int(n) for n in inputData]
        outputDataList.append(inputDataList)

    return outputDataList


# ===CODE===


n = int(input())

data_set = getSomeInputListInt(n)
data_set.insert(0, 0)

INF = sys.maxsize

dp = [[INF for _ in range(n+1)] for _ in range(n+1)]
for i in range(1, n+1):
    dp[i][i] = 0
next_dp = copy.deepcopy(dp)

# ans = INF
# for s in range(1, n):
#     for i in range(1, n+1):
#         for j in range(i+s, n+1):
#             for k in range(i, j+1):
#                 if k >
#                 if dp[i][k] < INF and dp[k+1][j] < INF:
#                     next_dp[i][j] = min(next_dp[i][j], dp[i][k]+dp[k+1][j]+data_set[i][0]*data_set[k][1]*data_set[j][0])
#
#     dp = next_dp
#     ans = min(ans, dp[1][n])
# print(ans)


for s in range(1, n):
    for i in range(1, n+1):
        j = i+s
        if j > n:
            break
        for k in range(i, j):
            if dp[i][k] < INF and dp[k+1][j] < INF:
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k + 1][j] + data_set[i][0] * data_set[k][1] * data_set[j][1])

print(dp[1][n])

Python: n = int(input())
p = [0 for i in range(n+1)]
m = [[0 for i in range(100)] for j in range(100)]

for i in range(n):
    p[i], p[i+1] = map(int, input().split())
     
for l in range(2, n+1):
    for i in range(1, n-l+2):
        j = i+l-1
        m[i][j] = float("inf")
        for k in range(i, j):
            m[i][j] = min(m[i][j], m[i][k] + m[k+1][j] + p[i-1]*p[k]*p[j])
 
print(m[1][n])

Python: import sys
def s():
 n=int(input())+1
 e=list(map(lambda x:x.split(),sys.stdin))
 p=[int(e[0][0])]+list(int(x[1])for x in e)
 m=[[0]*n for _ in[0]*n]
 for i in range(n):
  for r in range(n-i-1):
   c=r+i+1
   for j in range(r+1,c):
    x=m[r][j]+m[j][c]+p[r]*p[j]*p[c]
    if 1>m[r][c]or m[r][c]>x:m[r][c]=x
 print(m[r][c])
if'__main__'==__name__:s()

Python: inf = float('inf')

n = int(input())

r = [0] * n         # 行数
c = [0] * n         # 列数

for i in range(n):
    ri, ci = map(int, input().split())
    r[i] = ri
    c[i] = ci

dp = [[0]*(n+1) for _ in range(n+1)]  # (n+1)*(n+1)のゼロ行列生成

for ls in range(2, n+1):        # 対象とする行列の数をlsとした。
    for i in range(n+1-ls):
        dp[i][i+ls] = inf
        for j in range(i+1, i+ls):  # 働きとしてはkに該当？
            dp[i][i+ls] = min(dp[i][i+ls], dp[i][j] + dp[j][i+ls] + r[i]*r[j]*c[i+ls-1])

ans = dp[0][n]

print(ans)

Python: import sys
n=int(input())+1
e=list(map(lambda x:x.split(),sys.stdin))
p=[int(e[0][0])]+list(int(x[1])for x in e)
m=[[0]*n for _ in[0]*n]
for l in range(2,n):
 for i in range(1,n-l+1):
  j=i+l-1;m[i][j]=1e6
  for k in range(i,j):m[i][j]=min(m[i][j],m[i][k]+m[k+1][j]+p[i-1]*p[k]*p[j])
print(m[1][n-1])