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Update 1137.c #1417

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15 changes: 6 additions & 9 deletions leetcode/src/1137.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,4 @@
// Dynamic Programming
// Runtime: O(n)
// Space: O(1)
int tribonacci(int n){
int tribonacci(int n) {
int t0 = 0;
int t1 = 1;
int t2 = 1;
Expand All @@ -10,19 +7,19 @@ int tribonacci(int n){
return t0;
}

if (n == 1){
if (n == 1) {
return t1;
}

if (n == 2){
if (n == 2) {
return t2;
}

for (int i = 0; i < n - 2; i++){
int nextT = t0 + t1 + t2;
for (int i = 3; i <= n; i++) {
int nextTerm = t0 + t1 + t2;
t0 = t1;
t1 = t2;
t2 = nextT;
t2 = nextTerm;
}

return t2;
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