209.c

#include<stdio.h>
#include<assert.h>

intminSubArrayLen(ints, int*nums, intnumsSize) {
inti=0, j=0;
intsum=0;
intmin=numsSize+1;
while (j<numsSize) {
sum+=nums[j];
while (sum >= s) {
if (j-i+1<min) {
min=j-i+1;
 }
sum-=nums[i];
i++;
 }
j++;
 }

returnmin==numsSize+1 ? 0 : min;
}

intmain() {
intnums[] = { 2, 3, 1, 2, 4, 3 };
assert(minSubArrayLen(7, nums, sizeof(nums) / sizeof(nums[0])) ==2);

printf("all tests passed\n");

return0;
}