0_0_25679904_31994.cpp:6:1: error: 'll' does not name a type
ll get(int s, int t) {
^
0_0_25679904_31994.cpp: In function 'int main()':
0_0_25679904_31994.cpp:38:40: error: 'get' was not declared in this scope
printf("%lld\n", get(x1, y1) - get(x1, y0 - 1) - get(x0 - 1, y1) + get(x0 - 1, y0 - 1));
^
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