c语言中指数增长程序。
#include <stdio.h> #define SQUARES 64 int main(void) { const double CROP = 2E16; double current, total; int count = 1; printf("square grains total "); printf("fraction of \n"); printf(" added grains "); printf("world total\n"); total = current = 1.0; printf("%4d %13.2e %12.2e %12.2e\n", count, current, total, total / CROP); while (count < SQUARES) { count = count + 1; current = 2.0 * current; total = total + current; printf("%4d %13.2e %12.2e %12.2e\n", count, current, total, total / CROP); } printf("that is all.\n"); return 0; }
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