static int findMissingNumber(int start, int end, List<Integer> list) {
int total = ((end+start)*(end-start + 1))/2;
int max = 0;
for(Integer p : list)
max+= p.intValue();
return total - max;
}
和你写的一毛一样^-^
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OooMiyaOoo
static int findMissingNumber(int start, int end, List<Integer> list) {
int total = ((end+start)*(end-start + 1))/2;
int max = 0;
for(Integer p : list)
max+= p.intValue();
return total - max;
}