题解 | #汽水瓶#
汽水瓶
http://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
const readline = require('readline');
const rl = readline.createInterface({
input:process.stdin,
output:process.stdout
});
rl.on('line',(line)=>{
// let outs = (line-(line%2))/2;
let outs = Math.floor(line/2);
if(outs){
console.log(outs)
}
})
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