Submission #1160922

---

Source Code Expand

#include <cstdio>
#include <algorithm>

const int INF=1<<29;

inline int abssum(int start, int stop) {
    if (start <= 0 && stop <= 0) {
        start = -start;
        stop = -stop;
    }
    if (start >= stop) std::swap(start, stop);

    if (start >= 0 && stop >= 0) {
        return (stop*(stop+1)-start*(start-1))/2;
    } else {
        return (stop*(stop+1)+start*(start-1))/2;
    }
}

int main() {
    int R, G, B;
    scanf("%d %d %d", &R, &G, &B);

    int res=INF;
    for (int i=-1000; i<=1000; ++i) {
        int rl=std::min(i-R, -100-R/2);
        int bl=std::max(i+G, 100-B/2);

        int cur=0;
        cur += abssum(-100-rl, -99-rl-R);
        cur += abssum(i, i+G-1);
        cur += abssum(100-bl, 101-bl-B);

        if (res > cur)
            res = cur;
    }

    printf("%d\n", res);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &R, &G, &B);
                                  ^

Judge Result