mimic
33 lines
500 B
C
33 lines
500 B
C
#include <stdio.h>
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int main(int argc, char *argv[])
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{
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int p1, p2, p3, t1, t2, n, lr, l, r, e = 0;
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scanf("%d %d %d %d %d %d", &n, &p1, &p2, &p3, &t1, &t2);
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scanf("%d %d", &l, &r);
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e += (r - l) * p1;
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lr = r;
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while(-- n)
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{
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scanf("%d %d", &l, &r);
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e += (r - l) * p1;
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if(l - lr <= t1)
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e += (l - lr) * p1;
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else
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{
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e += t1 * p1;
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if(l - lr <= t1 + t2)
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e += (l - lr - t1) * p2;
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else
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e += t2 * p2 + (l - lr - t1 - t2) * p3;
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}
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}
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printf("%d\n", e);
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return 0;
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}
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