The Triangle
阿新 • • 發佈：2017-06-14
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The Triangle
時間限制：1000 ms | 內存限制：65535 KB
難度：4
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描寫敘述
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7
3 8
8 1 0
2 7 4 4
4 5 2 6 5
(Figure 1)
Figure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed on a route that starts at the top and ends somewhere on the base. Each step can go either diagonally down to the left or diagonally down to the right.
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輸入
- Your program is to read from standard input. The first line contains one integer N: the number of rows in the triangle. The following N lines describe the data of the triangle. The number of rows in the triangle is > 1 but
<= 100. The numbers in the triangle, all integers, are between 0 and 99.
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輸出
- Your program is to write to standard output. The highest sum is written as an integer.
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例子輸入
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5
7
3 8
8 1 0
2 7 4 4
4 5 2 6 5
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例子輸出
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30
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7
3 8
8 1 0
2 7 4 4
4 5 2 6 5
(Figure 1)
Figure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed on a route that starts at the top and ends somewhere on the base. Each step can go either diagonally down to the left or diagonally down to the right.
- 輸入
- Your program is to read from standard input. The first line contains one integer N: the number of rows in the triangle. The following N lines describe the data of the triangle. The number of rows in the triangle is > 1 but <= 100. The numbers in the triangle, all integers, are between 0 and 99.
- 輸出
- Your program is to write to standard output. The highest sum is written as an integer.
- 例子輸入
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5 7 3 8 8 1 0 2 7 4 4 4 5 2 6 5
- 例子輸出
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30
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The Triangle