30 lines
579 B
C
30 lines
579 B
C
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/* Triangle de Floyd */
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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int main(int argc, char *argv[]) {
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int n, i, j, t = 1, S, Sa;
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printf("Saisissez n : ");
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scanf("%d", &n);
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for (i = 1; i <= n; i++) {
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S = 0;
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for (j = 1; j <= i; j++) {
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printf("%11d ", t);
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S += t;
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t++;
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}
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printf("\n");
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Sa = i*(pow(i, 2) + 1)/2;
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if (S != Sa) {
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printf("Somme incorrecte, %d attendu, %d obtenu.\n", Sa, S);
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exit(EXIT_FAILURE);
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}
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}
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return 0;
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}
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