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pragma solidity ^0.4.18;
contract demo {
mapping(uint => uint) public map;
event Finished();
function seedMap(uint _start, uint _end) public {
for(uint i=_start;i<_end;i++) {
map[i] = i;
}
}
function open(uint _key, uint _value) public {
map[_key] = _value;
Finished();
}
function query(uint _key) constant returns(uint) {
return map[_key];
}
}
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