27 lines
420 B
C
27 lines
420 B
C
#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main() {
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float *x;
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int N;
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float sum = 0;
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scanf("%d", &N);
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x = malloc(N * sizeof(float));
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{
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int i;
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for (i = 0; i < N; i++) {
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x[i] = 100 * cos(i * 0.01);
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}
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}
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{
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int i;
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for (i = 0; i < N; i++) {
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sum += x[i];
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}
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}
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printf("%.2f", sum);
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return 0;
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} |