uva488 Triangle Wave
2011-11-28 17:24
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Triangle Wave |
Input and Output
The input begins with a single positive integer on a line by itself indicating the number of the cases following, each of them as described below. This line is followed by a blank line, and there is also a blankline between two consecutive inputs.
Each input set will contain two integers, each on a separate line. The first integer is the Amplitude; the second integer is the Frequency.
For each test case, the output must follow the description below. The outputs of two consecutive cases will be separated by a blank line.
For the output of your program, you will be printing wave forms each separated by a blank line. The total number of wave forms equals the Frequency, and the horizontal ``height'' of each wave equals the Amplitude.
The Amplitude will never be greater than nine.
The waveform itself should be filled with integers on each line which indicate the ``height'' of that line.
NOTE: There is a blank line after each separate waveform, excluding the last one.
输入输出格式易错
#include <stdio.h> int main() { int a, c, d, i, j, k; scanf("%d", &a); while (a--) { scanf("%d%d", &c, &d); for (i = 0; i < d; i++) { for (k = 1; k <= c; k++) { for (j = 0; j < k; j++) printf("%d", k); printf("\n"); } for (k = c-1; k >= 1; k--) { for (j = 0; j < k; j++) printf("%d", k); printf("\n"); } if (a != 0 || i != d - 1) printf("\n"); } } return 0; }
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