AtCoder Beginner Contest 001

Submission #3494795

Source codeソースコード

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

typedef struct {
    int st;
    int ed;
} TIMES;

int round_st(int d) {
    int n;

    n = d % 10;
    if (n == 0 || n == 5) {
        return d;
    }

    if (n >= 5) {
        return d - (n - 5);
    } else {
        return d - n;
    }
}

int round_ed(int d) {
    int n, m;

    n = d % 10;
    if (n == 0 || n == 5) {
        return d;
    }

    if (n > 5) {
        m = d % 100;
        if (m + (10 - n) >= 60) {
            return d + 100 - m;
        } else {
            return d + (10 - n);
        }
    } else {
        return d + (5 - n);
    }
}

int cmp(const void *a, const void *b) {
    TIMES t1 = *(TIMES *)a;
    TIMES t2 = *(TIMES *)b;

    if (t1.st < t2.st) {
        return -1;
    } else if (t1.st > t2.st) {
        return 1;
    } else {
        if (t1.ed < t2.ed) {
            return -1;
        } else if (t1.ed > t2.ed) {
            return 1;
        } else {
            return 0;
        }
    }
}

int main() {
    int n, st, ed;
    TIMES *times, tmp;

    scanf("%d", &n);
    times = (TIMES *)malloc(sizeof(TIMES) * n);
    for (int i = 0; i < n; i++) {
        scanf("%d-%d", &st, &ed);
        times[i].st = round_st(st);
        times[i].ed = round_ed(ed);
    }

    qsort(times, n, sizeof(TIMES), cmp);

    tmp.st = times[0].st;
    tmp.ed = times[0].ed;
    for (int i = 1; i < n; i++) {
        if (tmp.ed >= times[i].st) {
            if (tmp.ed < times[i].ed) {
                tmp.ed = times[i].ed;
            }
        } else {
            printf("%04d-%04d\n", tmp.st, tmp.ed);
            tmp.st = times[i].st;
            tmp.ed = times[i].ed;
        }
    }

    printf("%04d-%04d\n", tmp.st, tmp.ed);

    if (times != NULL) {
        free(times);
        times = NULL;
    }
    return 0;
}

Submission

Task問題 D - 感雨時刻の整理
User nameユーザ名 tora0091
Created time投稿日時
Language言語 C (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 1909 Byte
File nameファイル名
Exec time実行時間 10 ms
Memory usageメモリ使用量 636 KB

Compiler messageコンパイルメッセージ

./Main.c: In function ‘main’:
./Main.c:68:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
^
./Main.c:71:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d-%d", &st, &ed);
^

Test case

Set

Set name Score得点 / Max score Cases
all 100 / 100 00_sample_01.txt,00_sample_02.txt,00_sample_03.txt,cho_cho_chokudai.txt,chokudai_ga_cho.txt,test_01.txt,test_02.txt,test_03.txt,test_04.txt,test_05.txt,test_06.txt,test_07.txt,test_08.txt,test_09.txt,test_10.txt,test_11.txt,test_12.txt,test_13.txt,test_14.txt,test_15.txt,test_16.txt,test_17.txt,test_18.txt,test_19.txt,test_20.txt,test_21.txt,test_22.txt,test_23.txt,test_24.txt,test_25.txt,test_26.txt,test_27.txt,test_28.txt,test_29.txt,test_30.txt,test_31.txt,test_32.txt,test_33.txt,test_34.txt,test_35.txt,test_36.txt,test_37.txt,test_38.txt,test_39.txt,test_40.txt,test_41.txt,test_42.txt,test_43.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_sample_01.txt AC 1 ms 128 KB
00_sample_02.txt AC 1 ms 128 KB
00_sample_03.txt AC 1 ms 128 KB
cho_cho_chokudai.txt AC 7 ms 508 KB
chokudai_ga_cho.txt AC 8 ms 636 KB
test_01.txt AC 1 ms 128 KB
test_02.txt AC 1 ms 128 KB
test_03.txt AC 1 ms 128 KB
test_04.txt AC 1 ms 128 KB
test_05.txt AC 1 ms 128 KB
test_06.txt AC 1 ms 128 KB
test_07.txt AC 1 ms 128 KB
test_08.txt AC 1 ms 128 KB
test_09.txt AC 1 ms 128 KB
test_10.txt AC 1 ms 128 KB
test_11.txt AC 1 ms 128 KB
test_12.txt AC 1 ms 128 KB
test_13.txt AC 1 ms 128 KB
test_14.txt AC 1 ms 128 KB
test_15.txt AC 1 ms 128 KB
test_16.txt AC 1 ms 128 KB
test_17.txt AC 1 ms 128 KB
test_18.txt AC 1 ms 128 KB
test_19.txt AC 1 ms 128 KB
test_20.txt AC 1 ms 128 KB
test_21.txt AC 10 ms 636 KB
test_22.txt AC 10 ms 636 KB
test_23.txt AC 10 ms 636 KB
test_24.txt AC 10 ms 636 KB
test_25.txt AC 10 ms 636 KB
test_26.txt AC 10 ms 636 KB
test_27.txt AC 8 ms 636 KB
test_28.txt AC 10 ms 636 KB
test_29.txt AC 1 ms 128 KB
test_30.txt AC 1 ms 128 KB
test_31.txt AC 2 ms 256 KB
test_32.txt AC 1 ms 128 KB
test_33.txt AC 6 ms 508 KB
test_34.txt AC 1 ms 128 KB
test_35.txt AC 1 ms 128 KB
test_36.txt AC 10 ms 636 KB
test_37.txt AC 10 ms 636 KB
test_38.txt AC 9 ms 636 KB
test_39.txt AC 10 ms 636 KB
test_40.txt AC 10 ms 636 KB
test_41.txt AC 7 ms 508 KB
test_42.txt AC 9 ms 636 KB
test_43.txt AC 7 ms 636 KB