atcoder main template .go

f1_f2_line.go

package main
/*
A B 
C D
E F
...
*/
import (
	"bufio"
	"fmt"
	"log"
	"os"
	//"strconv"
	"strings"
)
func dlog(msg ...interface{}) {
	if os.Getenv("DEBUG") == "1" {
		log.Print(msg)
	}
}

func main() {
	var  score int = 0
	stdin := bufio.NewScanner(os.Stdin)
	for stdin.Scan() {
		line := stdin.Text()
		lv := strings.Split(line," ")  
		fa,fb := lv[0],lv[1]
		dlog(fa,fb)
	}
	fmt.Println(score)
}

field1_lines.go

package main
/**
line1
line2
line3
...
*/
import (
	"bufio"
	"fmt"
	"log"
	"os"
	"strconv"
)

func dout(msg ...interface{}) {
	if os.Getenv("DEBUG") == "1" {
		log.Print(msg)
	}
}

func main() {
	stdin := bufio.NewScanner(os.Stdin)
	for stdin.Scan() {
		line := stdin.Text()
			lv, _ := strconv.Atoi(line)
			fmt.Print("line: ", line)
	}
}

huge1line.go

package main

/* bite just 1 huge line as a string */

import (
        "fmt"
        // "strings"
)

func main() { 
        var s string
        fmt.Scan(&s)
        fmt.Println(s)
}

N_a1_aN.go

package main
        /*
        N
        a1 a2 a3 ... aN 
        */
import (
        "bufio"
        // "fmt"
        "os"
        "strconv"
        "strings"
)
func main() {
        stdin := bufio.NewScanner(os.Stdin)
        stdin.Scan()
        n,_ := strconv.Atoi(stdin.Text())
        stdin.Scan()
        line := strings.Split(stdin.Text()," ")
        if n == len(line){
        is := make([]int,len(line))
        for i,v := range line {
            t,_ := strconv.Atoi(v)
            is[i]=t
        }
}

N_A_Btoint.go

package main
/*
N A B
*/
import (
        "bufio"
        // "fmt"
        // "log"
        "os"
        "strconv"
        "strings"
)

func main() {
        stdin := bufio.NewScanner(os.Stdin)
        stdin.Scan()
        line := strings.Split(stdin.Text(), " ")
        n, _ := strconv.Atoi(line[0])
        a, _ := strconv.Atoi(line[1])
        b, _ := strconv.Atoi(line[2])
        _,_,_=n,a,b
}

N_LF_a1_LF_aN.go

package main
        /*
                N
                a1
                a2
                a3
                ...
                aN
        */
import (
        "bufio"
        "fmt"
        "os"
        "strconv"
        //      "strings"
        //      "sort"
)

func main() {
        stdin := bufio.NewScanner(os.Stdin)
        stdin.Scan()
        n, _ := strconv.Atoi(stdin.Text())
        is := make([]int, n)
        for i := 0; i <= n-1; i++ {
                stdin.Scan()
                is[i], _ = strconv.Atoi(stdin.Text())
        }
        kmap := make(map[int]bool)
        for _, v := range is {
                kmap[v] = true
        }
}

simple1line.go

package main
/* 
aaa
*/
import (
        "bufio"
        // "fmt"
        "os"
)

func main() {

        stdin := bufio.NewScanner(os.Stdin)
        stdin.Scan()
        a := stdin.Text()
        _ = a
}